#D3213F

Closest named color: Crimson (#DC143C). oklch(56.1% 0.208 19.6), rgb(211, 33, 63).

Aa

White text reads best on this color (5.17:1).

About this color

#D3213F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.208 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.017 away. White text reads best on it, at 5.17:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.208)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.05:1
White text5.17:1

Values

HEX#D3213F
RGBrgb(211, 33, 63)
HSLhsl(350, 73%, 48%)
OKLCHoklch(56.1% 0.208 19.6)

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 #D3213F 5.17:1 AA Lc -79.1 Fine for body text
Black text on #D3213F 4.05:1 AA large text Lc 30.4 Non-text elements, placeholder text
#D3213F text on white 5.17:1 AA Lc 73.7 Content text, not long reading
#D3213F text on black 4.05:1 AA large text Lc -28.0 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FACCCB

    oklch(88.5% 0.052 19.6)

  4. Step 300

    300

    #F7A8A8

    oklch(80.8% 0.094 19.3)

  5. Step 400

    400

    #EF767A

    oklch(70.7% 0.149 19.6)

  6. Step 500

    500

    #E64A58

    oklch(63.1% 0.192 19.6)

  7. Step 600

    600 (this color)

    #D3213F

    oklch(56.1% 0.208 19.6)

  8. Step 700

    700

    #B50830

    oklch(49.2% 0.194 19.5)

  9. Step 800

    800

    #931128

    oklch(42.7% 0.161 19.7)

  10. Step 900

    900

    #761A25

    oklch(37.7% 0.125 19.4)

  11. Step 950

    950

    #451216

    oklch(27% 0.078 19.6)

Export this scale for Tailwind in the Tailwind colors tool

#D3213F 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)#5B553F0.231
Deuteranopia (no green cones)#877A390.210
Tritanopia (no blue cones)#E8002F0.042
Achromatopsia (no color)#6D6D6D0.210

Harmonies

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

Complementary

The opposite hue (180°).

  • #D3213F

    #D3213F

    oklch(56.1% 0.208 19.6)

  • #00858A

    #00858A

    oklch(56% 0.095 199.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #D3213F

    #D3213F

    oklch(56.1% 0.208 19.6)

  • #C52886

    #C52886

    oklch(56% 0.208 349.7)

  • #B75400

    #B75400

    oklch(56.1% 0.149 49.7)

Open the analogous palette in the generator

Split complementary

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

  • #D3213F

    #D3213F

    oklch(56.1% 0.208 19.6)

  • #00896A

    #00896A

    oklch(56% 0.111 169.7)

  • #0080A9

    #0080A9

    oklch(56.1% 0.111 229.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #D3213F

    #D3213F

    oklch(56.1% 0.208 19.6)

  • #2C8C00

    #2C8C00

    oklch(56.2% 0.179 139.6)

  • #166CEC

    #166CEC

    oklch(56.2% 0.208 259.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #D3213F

    #D3213F

    oklch(56.1% 0.208 19.6)

  • #7A7A00

    #7A7A00

    oklch(56.1% 0.122 109.8)

  • #00858A

    #00858A

    oklch(56% 0.095 199.4)

  • #7753E4

    #7753E4

    oklch(56.1% 0.209 289.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D3213F, closest first.

Similar named colors

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

Use #D3213F 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.