#BF5437

Closest named color: Brick Orange (#C14A09). oklch(57.7% 0.145 36.1), rgb(191, 84, 55).

Aa

White text reads best on this color (4.62:1).

About this color

#BF5437 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.145 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.030 away. White text reads best on it, at 4.62:1.

Hue familyReds
Lightnessmedium-dark (58%)
Chromavivid (0.145)
Temperaturewarm
Nearest nameBrick Orange (#C14A09)
Black text4.53:1
White text4.62:1

Values

HEX#BF5437
RGBrgb(191, 84, 55)
HSLhsl(13, 55%, 48%)
OKLCHoklch(57.7% 0.145 36.1)

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 #BF5437 4.62:1 AA Lc -77.0 Fine for body text
Black text on #BF5437 4.53:1 AA Lc 32.6 Non-text elements, placeholder text
#BF5437 text on white 4.62:1 AA Lc 71.5 Content text, not long reading
#BF5437 text on black 4.53:1 AA Lc -30.2 Non-text elements, placeholder text

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

    #FBF4F1

    oklch(97.2% 0.009 44.9)

  2. Step 100

    100

    #F6E6E1

    oklch(93.6% 0.019 38.1)

  3. Step 200

    200

    #F0D1C9

    oklch(88.4% 0.037 34.8)

  4. Step 300

    300

    #E7B2A4

    oklch(80.8% 0.065 35.3)

  5. Step 400

    400

    #D98973

    oklch(70.8% 0.104 36.1)

  6. Step 500

    500

    #CC694E

    oklch(63.1% 0.132 36.2)

  7. Step 600

    600 (this color)

    #BF5437

    oklch(57.7% 0.145 36.1)

  8. Step 700

    700

    #9E3E23

    oklch(49.1% 0.134 36.4)

  9. Step 800

    800

    #80341F

    oklch(42.7% 0.111 36.3)

  10. Step 900

    900

    #682E1F

    oklch(37.8% 0.087 35.6)

  11. Step 950

    950

    #3D1C13

    oklch(27.1% 0.054 36.2)

Export this scale for Tailwind in the Tailwind colors tool

#BF5437 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)#7166340.144
Deuteranopia (no green cones)#8B7E340.133
Tritanopia (no blue cones)#D13D4E0.063
Achromatopsia (no color)#7575750.145

Harmonies

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

Complementary

The opposite hue (180°).

  • #BF5437

    #BF5437

    oklch(57.7% 0.145 36.1)

  • #0088A0

    #0088A0

    oklch(57.7% 0.103 216)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BF5437

    #BF5437

    oklch(57.7% 0.145 36.1)

  • #BD4E6C

    #BD4E6C

    oklch(57.6% 0.145 6)

  • #AB6700

    #AB6700

    oklch(57.6% 0.128 66.1)

Open the analogous palette in the generator

Split complementary

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

  • #BF5437

    #BF5437

    oklch(57.7% 0.145 36.1)

  • #008C82

    #008C82

    oklch(57.6% 0.101 186)

  • #0E7FC9

    #0E7FC9

    oklch(57.8% 0.144 246)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BF5437

    #BF5437

    oklch(57.7% 0.145 36.1)

  • #009155

    #009155

    oklch(57.7% 0.14 156.1)

  • #646ECD

    #646ECD

    oklch(57.6% 0.145 276.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BF5437

    #BF5437

    oklch(57.7% 0.145 36.1)

  • #648807

    #648807

    oklch(57.8% 0.145 126.2)

  • #0088A0

    #0088A0

    oklch(57.7% 0.103 216)

  • #8F5FBC

    #8F5FBC

    oklch(57.7% 0.145 306.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BF5437, closest first.

Similar named colors

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

Use #BF5437 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.