#B70E18

Closest named color: Scarlet (#BE0119). oklch(49.5% 0.195 26.8), rgb(183, 14, 24).

Aa

White text reads best on this color (6.79:1).

About this color

#B70E18 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.195 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.014 away. White text reads best on it, at 6.79:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.195)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.08:1
White text6.79:1

Values

HEX#B70E18
RGBrgb(183, 14, 24)
HSLhsl(356, 86%, 39%)
OKLCHoklch(49.5% 0.195 26.8)

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 #B70E18 6.79:1 AA Lc -86.3 Fine for body text
Black text on #B70E18 3.08:1 AA large text Lc 22.9 Dividers and decoration only
#B70E18 text on white 6.79:1 AA Lc 81.2 Fine for body text
#B70E18 text on black 3.08:1 AA large text Lc -20.7 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

    #D22024

    oklch(55.5% 0.21 26.8)

  8. Step 700

    700 (this color)

    #B70E18

    oklch(49.5% 0.195 26.8)

  9. Step 800

    800

    #931316

    oklch(42.6% 0.161 26.8)

  10. Step 900

    900

    #761B19

    oklch(37.6% 0.126 26.6)

  11. Step 950

    950

    #461210

    oklch(27% 0.08 26.2)

Export this scale for Tailwind in the Tailwind colors tool

#B70E18 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)#4D44150.215
Deuteranopia (no green cones)#74670B0.194
Tritanopia (no blue cones)#CA00160.038
Achromatopsia (no color)#5B5B5B0.197

Harmonies

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

Complementary

The opposite hue (180°).

  • #B70E18

    #B70E18

    oklch(49.5% 0.195 26.8)

  • #006F7A

    #006F7A

    oklch(49.5% 0.085 206.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B70E18

    #B70E18

    oklch(49.5% 0.195 26.8)

  • #AF0E64

    #AF0E64

    oklch(49.5% 0.196 356.7)

  • #934C00

    #934C00

    oklch(49.4% 0.12 56.6)

Open the analogous palette in the generator

Split complementary

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

  • #B70E18

    #B70E18

    oklch(49.5% 0.195 26.8)

  • #007261

    #007261

    oklch(49.4% 0.091 177.6)

  • #006997

    #006997

    oklch(49.4% 0.108 237.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B70E18

    #B70E18

    oklch(49.5% 0.195 26.8)

  • #007727

    #007727

    oklch(49.6% 0.149 146.7)

  • #3053CF

    #3053CF

    oklch(49.6% 0.196 266.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B70E18

    #B70E18

    oklch(49.5% 0.195 26.8)

  • #5E6900

    #5E6900

    oklch(49.4% 0.114 116.7)

  • #006F7A

    #006F7A

    oklch(49.5% 0.085 206.8)

  • #713CC0

    #713CC0

    oklch(49.5% 0.195 297.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B70E18, closest first.

Similar named colors

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

Use #B70E18 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.