#B54937
Closest named color: Dull Red (#BB3F3F). oklch(54.6% 0.144 31.6), rgb(181, 73, 55).
Aa
White text reads best on this color (5.28:1).
About this color
#B54937 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.144 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.025 away. White text reads best on it, at 5.28:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #B54937 |
| RGB | rgb(181, 73, 55) |
| HSL | hsl(9, 53%, 46%) |
| OKLCH | oklch(54.6% 0.144 31.6) |
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 #B54937 | 5.28:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #B54937 | 3.97:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #B54937 text on white | 5.28:1 | AA | Lc 75.5 | Fine for body text |
| #B54937 text on black | 3.97:1 | AA large text | Lc -26.2 | 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
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CB
oklch(88.5% 0.036 30.8)
-
Step 300
300
#E8B2A7
oklch(81% 0.065 31.6)
-
Step 400
400
#D98878
oklch(70.7% 0.103 31.9)
-
Step 500
500
#CD6755
oklch(63% 0.133 31.4)
-
Step 600
600 (this color)
#B54937
oklch(54.6% 0.144 31.6)
-
Step 700
700
#9E3C2C
oklch(49% 0.134 31.6)
-
Step 800
800
#813326
oklch(42.8% 0.111 31.5)
-
Step 900
900
#682D23
oklch(37.7% 0.087 31.3)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#B54937 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) | #665D35 | 0.148 |
| Deuteranopia (no green cones) | #817434 | 0.136 |
| Tritanopia (no blue cones) | #C73245 | 0.054 |
| Achromatopsia (no color) | #6C6C6C | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54937
#B54937
oklch(54.6% 0.144 31.6)
- #007F90
#007F90
oklch(54.7% 0.095 211)
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 #B54937, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.025
- Dusty Red #B9484E ΔE 0.031
- Sinopia #BB3E03 ΔE 0.034
- Brick Orange #C14A09 ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.044
- Cinnamon #AC4F06 ΔE 0.045
- Burnt Siena #B75203 ΔE 0.045
- Sienna #A0522D ΔE 0.046
Use #B54937 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.