#BD181D

Closest named color: Scarlet (#BE0119). oklch(51.1% 0.196 26.9), rgb(189, 24, 29).

Aa

White text reads best on this color (6.34:1).

About this color

#BD181D is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.196 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.011 away. White text reads best on it, at 6.34:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.196)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.31:1
White text6.34:1

Values

HEX#BD181D
RGBrgb(189, 24, 29)
HSLhsl(358, 77%, 42%)
OKLCHoklch(51.1% 0.196 26.9)

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 #BD181D 6.34:1 AA Lc -84.7 Fine for body text
Black text on #BD181D 3.31:1 AA large text Lc 24.6 Dividers and decoration only
#BD181D text on white 6.34:1 AA Lc 79.5 Fine for body text
#BD181D text on black 3.31:1 AA large text Lc -22.3 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 700.

  1. Step 50

    50

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FACDC7

    oklch(88.6% 0.052 27)

  4. Step 300

    300

    #F8A9A0

    oklch(80.9% 0.095 26.5)

  5. Step 400

    400

    #F0776C

    oklch(70.7% 0.151 26.9)

  6. Step 500

    500

    #E74B44

    oklch(63.1% 0.194 26.8)

  7. Step 600

    600

    #D31F23

    oklch(55.6% 0.211 26.9)

  8. Step 700

    700 (this color)

    #BD181D

    oklch(51.1% 0.196 26.9)

  9. Step 800

    800

    #941215

    oklch(42.8% 0.163 26.9)

  10. Step 900

    900

    #771B19

    oklch(37.8% 0.127 26.7)

  11. Step 950

    950

    #46120F

    oklch(27% 0.08 27.1)

Export this scale for Tailwind in the Tailwind colors tool

#BD181D 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)#52491A0.215
Deuteranopia (no green cones)#796C130.194
Tritanopia (no blue cones)#D1001D0.039
Achromatopsia (no color)#5F5F5F0.198

Harmonies

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

Complementary

The opposite hue (180°).

  • #BD181D

    #BD181D

    oklch(51.1% 0.196 26.9)

  • #007480

    #007480

    oklch(51.1% 0.088 207.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BD181D

    #BD181D

    oklch(51.1% 0.196 26.9)

  • #B51768

    #B51768

    oklch(51.1% 0.196 357)

  • #9A5000

    #9A5000

    oklch(51.1% 0.124 56.7)

Open the analogous palette in the generator

Split complementary

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

  • #BD181D

    #BD181D

    oklch(51.1% 0.196 26.9)

  • #007865

    #007865

    oklch(51.2% 0.095 176.5)

  • #006E9E

    #006E9E

    oklch(51% 0.112 237.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BD181D

    #BD181D

    oklch(51.1% 0.196 26.9)

  • #007C2A

    #007C2A

    oklch(51.1% 0.152 146.9)

  • #3458D4

    #3458D4

    oklch(51.1% 0.195 266.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BD181D

    #BD181D

    oklch(51.1% 0.196 26.9)

  • #626E00

    #626E00

    oklch(51% 0.118 117)

  • #007480

    #007480

    oklch(51.1% 0.088 207.3)

  • #7541C6

    #7541C6

    oklch(51% 0.196 296.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BD181D, closest first.

Similar named colors

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

Use #BD181D 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.