#BF5137
Closest named color: Brick Orange (#C14A09). oklch(57.3% 0.148 34.6), rgb(191, 81, 55).
Aa
White text reads best on this color (4.72:1).
About this color
#BF5137 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.148 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.029 away. White text reads best on it, at 4.72:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #BF5137 |
| RGB | rgb(191, 81, 55) |
| HSL | hsl(11, 55%, 48%) |
| OKLCH | oklch(57.3% 0.148 34.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #BF5137 | 4.72:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #BF5137 | 4.44:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #BF5137 text on white | 4.72:1 | AA | Lc 72.1 | Content text, not long reading |
| #BF5137 text on black | 4.44:1 | AA large text | Lc -29.6 | 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.
-
Step 50
50
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E8B2A4
oklch(80.9% 0.066 35)
-
Step 400
400
#DA8873
oklch(70.7% 0.106 35.1)
-
Step 500
500
#CE674F
oklch(63.1% 0.136 34.3)
-
Step 600
600 (this color)
#BF5137
oklch(57.3% 0.148 34.6)
-
Step 700
700
#9F3C25
oklch(49% 0.137 34.5)
-
Step 800
800
#813220
oklch(42.6% 0.114 34.3)
-
Step 900
900
#682D1F
oklch(37.6% 0.088 34.6)
-
Step 950
950
#3D1B13
oklch(26.9% 0.056 34.4)
#BF5137 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6F6434 | 0.148 |
| Deuteranopia (no green cones) | #8A7C34 | 0.136 |
| Tritanopia (no blue cones) | #D1394B | 0.061 |
| Achromatopsia (no color) | #737373 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF5137
#BF5137
oklch(57.3% 0.148 34.6)
- #00879D
#00879D
oklch(57.3% 0.101 214.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BF5137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.029
- Burnt Orange #C04E01 ΔE 0.032
- Rust Orange #C45508 ΔE 0.035
- Burnt Siena #B75203 ΔE 0.038
- Dark Coral #CF524E ΔE 0.041
- Dusty Red #B9484E ΔE 0.041
- Dull Red #BB3F3F ΔE 0.042
- Sinopia #BB3E03 ΔE 0.043
Use #BF5137 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.