#B70C34

Closest named color: Rose Red (#BE013C). oklch(49.7% 0.194 18.6), rgb(183, 12, 52).

Aa

White text reads best on this color (6.74:1).

About this color

#B70C34 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.194 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.018 away. White text reads best on it, at 6.74:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.194)
Temperaturewarm
Nearest nameRose Red (#BE013C)
Black text3.11:1
White text6.74:1

Values

HEX#B70C34
RGBrgb(183, 12, 52)
HSLhsl(346, 88%, 38%)
OKLCHoklch(49.7% 0.194 18.6)

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 #B70C34 6.74:1 AA Lc -86.1 Fine for body text
Black text on #B70C34 3.11:1 AA large text Lc 23.1 Dividers and decoration only
#B70C34 text on white 6.74:1 AA Lc 81.0 Fine for body text
#B70C34 text on black 3.11:1 AA large text Lc -20.9 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 700.

  1. Step 50

    50

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E3

    oklch(93.6% 0.028 17.7)

  3. Step 200

    200

    #FACCCC

    oklch(88.5% 0.052 18.2)

  4. Step 300

    300

    #F7A8A9

    oklch(80.8% 0.094 18.5)

  5. Step 400

    400

    #EF757C

    oklch(70.6% 0.15 18.2)

  6. Step 500

    500

    #E6495A

    oklch(63.1% 0.193 18.6)

  7. Step 600

    600

    #D11D40

    oklch(55.5% 0.209 18.6)

  8. Step 700

    700 (this color)

    #B70C34

    oklch(49.7% 0.194 18.6)

  9. Step 800

    800

    #93102A

    oklch(42.7% 0.161 18.6)

  10. Step 900

    900

    #761A26

    oklch(37.7% 0.125 18.8)

  11. Step 950

    950

    #461217

    oklch(27.2% 0.079 18.7)

Export this scale for Tailwind in the Tailwind colors tool

#B70C34 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)#4A46340.217
Deuteranopia (no green cones)#72672E0.197
Tritanopia (no blue cones)#CA00210.043
Achromatopsia (no color)#5B5B5B0.196

Harmonies

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

Complementary

The opposite hue (180°).

  • #B70C34

    #B70C34

    oklch(49.7% 0.194 18.6)

  • #007174

    #007174

    oklch(49.8% 0.085 198)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B70C34

    #B70C34

    oklch(49.7% 0.194 18.6)

  • #AA1874

    #AA1874

    oklch(49.7% 0.194 348.7)

  • #9D4500

    #9D4500

    oklch(49.8% 0.135 48.5)

Open the analogous palette in the generator

Split complementary

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

  • #B70C34

    #B70C34

    oklch(49.7% 0.194 18.6)

  • #007458

    #007458

    oklch(49.7% 0.1 168.7)

  • #006C8E

    #006C8E

    oklch(49.7% 0.098 228.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B70C34

    #B70C34

    oklch(49.7% 0.194 18.6)

  • #2A7600

    #2A7600

    oklch(49.8% 0.156 138.6)

  • #005BCB

    #005BCB

    oklch(49.8% 0.189 258.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B70C34

    #B70C34

    oklch(49.7% 0.194 18.6)

  • #686700

    #686700

    oklch(49.8% 0.108 109.1)

  • #007174

    #007174

    oklch(49.8% 0.085 198)

  • #6443C7

    #6443C7

    oklch(49.7% 0.194 288.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B70C34, closest first.

Similar named colors

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

Use #B70C34 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.