#D51D06

Closest named color: Cherry (#CF0234). oklch(55.7% 0.216 30.6), rgb(213, 29, 6).

Aa

White text reads best on this color (5.24:1).

About this color

#D51D06 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.216 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.042 away. White text reads best on it, at 5.24:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.216)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text4.00:1
White text5.24:1

Values

HEX#D51D06
RGBrgb(213, 29, 6)
HSLhsl(7, 95%, 43%)
OKLCHoklch(55.7% 0.216 30.6)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #D51D06 5.24:1 AA Lc -79.3 Fine for body text
Black text on #D51D06 4.00:1 AA large text Lc 30.2 Non-text elements, placeholder text
#D51D06 text on white 5.24:1 AA Lc 73.8 Content text, not long reading
#D51D06 text on black 4.00:1 AA large text Lc -27.9 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FCE3DF

    oklch(93.5% 0.028 28.5)

  3. Step 200

    200

    #FBCDC4

    oklch(88.6% 0.054 31)

  4. Step 300

    300

    #F9A99B

    oklch(80.9% 0.097 30.3)

  5. Step 400

    400

    #F27663

    oklch(70.7% 0.156 30.4)

  6. Step 500

    500

    #E94A35

    oklch(63.1% 0.199 30.7)

  7. Step 600

    600 (this color)

    #D51D06

    oklch(55.7% 0.216 30.6)

  8. Step 700

    700

    #B51200

    oklch(49.1% 0.194 30.6)

  9. Step 800

    800

    #951002

    oklch(42.7% 0.166 30.6)

  10. Step 900

    900

    #781A0F

    oklch(37.8% 0.13 30.5)

  11. Step 950

    950

    #46120B

    oklch(26.9% 0.081 30.7)

Export this scale for Tailwind in the Tailwind colors tool

#D51D06 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#5F53000.234
Deuteranopia (no green cones)#8A7A000.208
Tritanopia (no blue cones)#EB001D0.045
Achromatopsia (no color)#6C6C6C0.218

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #D51D06

    #D51D06

    oklch(55.7% 0.216 30.6)

  • #008293

    #008293

    oklch(55.6% 0.096 210.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #D51D06

    #D51D06

    oklch(55.7% 0.216 30.6)

  • #CE166D

    #CE166D

    oklch(55.7% 0.216 0.6)

  • #A95E00

    #A95E00

    oklch(55.7% 0.13 60.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #D51D06

    #D51D06

    oklch(55.7% 0.216 30.6)

  • #008777

    #008777

    oklch(55.9% 0.101 180.6)

  • #007BB7

    #007BB7

    oklch(55.7% 0.129 240.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #D51D06

    #D51D06

    oklch(55.7% 0.216 30.6)

  • #008B41

    #008B41

    oklch(55.7% 0.151 150.7)

  • #4860F0

    #4860F0

    oklch(55.8% 0.217 270.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #D51D06

    #D51D06

    oklch(55.7% 0.216 30.6)

  • #697E00

    #697E00

    oklch(55.6% 0.133 120.6)

  • #008293

    #008293

    oklch(55.6% 0.096 210.7)

  • #8B46DC

    #8B46DC

    oklch(55.7% 0.217 300.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D51D06, closest first.

No curated palette has a color within ΔE 0.04 of #D51D06.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #D51D06 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.