#BC3641

Closest named color: Dull Red (#BB3F3F). oklch(53.7% 0.17 20.6), rgb(188, 54, 65).

Aa

White text reads best on this color (5.61:1).

About this color

#BC3641 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.170 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.016 away. White text reads best on it, at 5.61:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.170)
Temperaturewarm
Nearest nameDull Red (#BB3F3F)
Black text3.74:1
White text5.61:1

Values

HEX#BC3641
RGBrgb(188, 54, 65)
HSLhsl(355, 55%, 47%)
OKLCHoklch(53.7% 0.17 20.6)

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 #BC3641 5.61:1 AA Lc -82.2 Fine for body text
Black text on #BC3641 3.74:1 AA large text Lc 27.2 Dividers and decoration only
#BC3641 text on white 5.61:1 AA Lc 76.9 Fine for body text
#BC3641 text on black 3.74:1 AA large text Lc -24.9 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F4CFCD

    oklch(88.5% 0.042 21.6)

  4. Step 300

    300

    #EEADAC

    oklch(80.8% 0.077 19.9)

  5. Step 400

    400

    #E38080

    oklch(70.8% 0.122 20.6)

  6. Step 500

    500

    #D75C60

    oklch(63.1% 0.155 20.7)

  7. Step 600

    600 (this color)

    #BC3641

    oklch(53.7% 0.17 20.6)

  8. Step 700

    700

    #A82D38

    oklch(49.1% 0.159 20.6)

  9. Step 800

    800

    #88282F

    oklch(42.7% 0.13 20.6)

  10. Step 900

    900

    #6E2629

    oklch(37.7% 0.102 21)

  11. Step 950

    950

    #411719

    oklch(27% 0.066 19.7)

Export this scale for Tailwind in the Tailwind colors tool

#BC3641 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)#5B55400.185
Deuteranopia (no green cones)#7D723D0.170
Tritanopia (no blue cones)#CE093B0.045
Achromatopsia (no color)#6868680.171

Harmonies

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

Complementary

The opposite hue (180°).

  • #BC3641

    #BC3641

    oklch(53.7% 0.17 20.6)

  • #007D83

    #007D83

    oklch(53.6% 0.091 200.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BC3641

    #BC3641

    oklch(53.7% 0.17 20.6)

  • #B1387A

    #B1387A

    oklch(53.6% 0.169 350.7)

  • #AB5000

    #AB5000

    oklch(53.7% 0.14 50.8)

Open the analogous palette in the generator

Split complementary

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

  • #BC3641

    #BC3641

    oklch(53.7% 0.17 20.6)

  • #008165

    #008165

    oklch(53.7% 0.106 170.6)

  • #0078A0

    #0078A0

    oklch(53.7% 0.107 230.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BC3641

    #BC3641

    oklch(53.7% 0.17 20.6)

  • #25840B

    #25840B

    oklch(53.7% 0.17 140.6)

  • #2D68CE

    #2D68CE

    oklch(53.6% 0.17 260.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BC3641

    #BC3641

    oklch(53.7% 0.17 20.6)

  • #727300

    #727300

    oklch(53.7% 0.117 110.4)

  • #007D83

    #007D83

    oklch(53.6% 0.091 200.7)

  • #7155C7

    #7155C7

    oklch(53.7% 0.17 290.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BC3641, closest first.

Similar named colors

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

Use #BC3641 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.