#BF2B17

Closest named color: Sinopia (#BB3E03). oklch(52.7% 0.187 31.1), rgb(191, 43, 23).

Aa

White text reads best on this color (5.87:1).

About this color

#BF2B17 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.187 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.032 away. White text reads best on it, at 5.87:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.187)
Temperaturewarm
Nearest nameSinopia (#BB3E03)
Black text3.57:1
White text5.87:1

Values

HEX#BF2B17
RGBrgb(191, 43, 23)
HSLhsl(7, 79%, 42%)
OKLCHoklch(52.7% 0.187 31.1)

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 #BF2B17 5.87:1 AA Lc -83.1 Fine for body text
Black text on #BF2B17 3.57:1 AA large text Lc 26.2 Dividers and decoration only
#BF2B17 text on white 5.87:1 AA Lc 77.8 Fine for body text
#BF2B17 text on black 3.57:1 AA large text Lc -23.9 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E0

    oklch(93.6% 0.025 29.9)

  3. Step 200

    200

    #F7CEC7

    oklch(88.5% 0.048 29.4)

  4. Step 300

    300

    #F2ADA0

    oklch(80.9% 0.084 30.9)

  5. Step 400

    400

    #E87E6B

    oklch(70.7% 0.135 31.3)

  6. Step 500

    500

    #DE5843

    oklch(63.1% 0.172 31.2)

  7. Step 600

    600 (this color)

    #BF2B17

    oklch(52.7% 0.187 31.1)

  8. Step 700

    700

    #AE2714

    oklch(49.2% 0.174 31.3)

  9. Step 800

    800

    #8D2314

    oklch(42.7% 0.144 31.3)

  10. Step 900

    900

    #712318

    oklch(37.6% 0.112 30.9)

  11. Step 950

    950

    #43160F

    oklch(27% 0.072 31.1)

Export this scale for Tailwind in the Tailwind colors tool

#BF2B17 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)#5A50120.200
Deuteranopia (no green cones)#7E700A0.181
Tritanopia (no blue cones)#D300290.048
Achromatopsia (no color)#6464640.189

Harmonies

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

Complementary

The opposite hue (180°).

  • #BF2B17

    #BF2B17

    oklch(52.7% 0.187 31.1)

  • #007889

    #007889

    oklch(52.6% 0.092 211.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BF2B17

    #BF2B17

    oklch(52.7% 0.187 31.1)

  • #B92664

    #B92664

    oklch(52.6% 0.187 1.1)

  • #9C5700

    #9C5700

    oklch(52.6% 0.122 61)

Open the analogous palette in the generator

Split complementary

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

  • #BF2B17

    #BF2B17

    oklch(52.7% 0.187 31.1)

  • #007C6E

    #007C6E

    oklch(52.6% 0.095 181.4)

  • #0072AB

    #0072AB

    oklch(52.8% 0.123 241.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BF2B17

    #BF2B17

    oklch(52.7% 0.187 31.1)

  • #00813D

    #00813D

    oklch(52.8% 0.142 151)

  • #465BD5

    #465BD5

    oklch(52.6% 0.188 271.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BF2B17

    #BF2B17

    oklch(52.7% 0.187 31.1)

  • #607500

    #607500

    oklch(52.6% 0.127 121.3)

  • #007889

    #007889

    oklch(52.6% 0.092 211.8)

  • #7F46C3

    #7F46C3

    oklch(52.6% 0.187 301.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BF2B17, closest first.

Similar named colors

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

Use #BF2B17 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.