#B54643
Closest named color: Dull Red (#BB3F3F). oklch(54.4% 0.145 24.7), rgb(181, 70, 67).
Aa
White text reads best on this color (5.35:1).
About this color
#B54643 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.145 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.015 away. White text reads best on it, at 5.35:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #B54643 |
| RGB | rgb(181, 70, 67) |
| HSL | hsl(2, 46%, 49%) |
| OKLCH | oklch(54.4% 0.145 24.7) |
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 #B54643 | 5.35:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #B54643 | 3.92:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #B54643 text on white | 5.35:1 | AA | Lc 75.9 | Fine for body text |
| #B54643 text on black | 3.92:1 | AA large text | Lc -25.8 | 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
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D0CD
oklch(88.4% 0.036 24.2)
-
Step 300
300
#E8B1AC
oklch(80.9% 0.065 24.5)
-
Step 400
400
#DA8680
oklch(70.7% 0.104 24.4)
-
Step 500
500
#CE6560
oklch(63.1% 0.134 24.4)
-
Step 600
600 (this color)
#B54643
oklch(54.4% 0.145 24.7)
-
Step 700
700
#9F3A38
oklch(49.1% 0.135 24.6)
-
Step 800
800
#81312F
oklch(42.7% 0.111 24.4)
-
Step 900
900
#682C29
oklch(37.6% 0.087 25)
-
Step 950
950
#3D1A19
oklch(26.9% 0.055 23.1)
#B54643 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) | #625C42 | 0.155 |
| Deuteranopia (no green cones) | #7E7440 | 0.144 |
| Tritanopia (no blue cones) | #C63046 | 0.045 |
| Achromatopsia (no color) | #6B6B6B | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54643
#B54643
oklch(54.4% 0.145 24.7)
- #007F89
#007F89
oklch(54.4% 0.093 204.5)
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 #B54643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.015
- Dusty Red #B9484E ΔE 0.016
- Dark Rose #B5485D ΔE 0.035
- Light Maroon #A24857 ΔE 0.045
- Sinopia #BB3E03 ΔE 0.047
- Light Burgundy #A8415B ΔE 0.048
- Brick Orange #C14A09 ΔE 0.055
- Rusty Red #AF2F0D ΔE 0.056
Use #B54643 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.