#BC4A37
Closest named color: Dull Red (#BB3F3F). oklch(55.8% 0.151 31.7), rgb(188, 74, 55).
Aa
White text reads best on this color (5.03:1).
About this color
#BC4A37 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.151 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.026 away. White text reads best on it, at 5.03:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #BC4A37 |
| RGB | rgb(188, 74, 55) |
| HSL | hsl(9, 55%, 48%) |
| OKLCH | oklch(55.8% 0.151 31.7) |
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 #BC4A37 | 5.03:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #BC4A37 | 4.17:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #BC4A37 text on white | 5.03:1 | AA | Lc 74.0 | Content text, not long reading |
| #BC4A37 text on black | 4.17:1 | AA large text | Lc -27.7 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D1CA
oklch(88.6% 0.037 32.4)
-
Step 300
300
#E9B1A6
oklch(80.9% 0.068 31.2)
-
Step 400
400
#DC8676
oklch(70.7% 0.109 31.3)
-
Step 500
500
#D06552
oklch(63.1% 0.14 31.6)
-
Step 600
600 (this color)
#BC4A37
oklch(55.8% 0.151 31.7)
-
Step 700
700
#A13A29
oklch(49.2% 0.14 31.7)
-
Step 800
800
#833123
oklch(42.8% 0.116 31.9)
-
Step 900
900
#692C21
oklch(37.6% 0.09 32)
-
Step 950
950
#3E1A14
oklch(26.9% 0.058 31)
#BC4A37 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) | #695F34 | 0.156 |
| Deuteranopia (no green cones) | #857834 | 0.143 |
| Tritanopia (no blue cones) | #CE3046 | 0.057 |
| Achromatopsia (no color) | #6F6F6F | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC4A37
#BC4A37
oklch(55.8% 0.151 31.7)
- #008395
#008395
oklch(56% 0.097 211.5)
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 #BC4A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.026
- Dusty Red #B9484E ΔE 0.031
- Brick Orange #C14A09 ΔE 0.033
- Sinopia #BB3E03 ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.038
- Burnt Siena #B75203 ΔE 0.044
- Rust Orange #C45508 ΔE 0.047
- Dark Coral #CF524E ΔE 0.048
Use #BC4A37 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.