#B54B33
Closest named color: Dull Red (#BB3F3F). oklch(54.8% 0.143 34.2), rgb(181, 75, 51).
Aa
White text reads best on this color (5.22:1).
About this color
#B54B33 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.143 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.032 away. White text reads best on it, at 5.22:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #B54B33 |
| RGB | rgb(181, 75, 51) |
| HSL | hsl(11, 56%, 45%) |
| OKLCH | oklch(54.8% 0.143 34.2) |
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 #B54B33 | 5.22:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #B54B33 | 4.01:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #B54B33 text on white | 5.22:1 | AA | Lc 75.2 | Fine for body text |
| #B54B33 text on black | 4.01:1 | AA large text | Lc -26.5 | 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
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E7B2A5
oklch(80.8% 0.065 34.2)
-
Step 400
400
#D98875
oklch(70.6% 0.104 33.9)
-
Step 500
500
#CC6851
oklch(63% 0.132 34.1)
-
Step 600
600 (this color)
#B54B33
oklch(54.8% 0.143 34.2)
-
Step 700
700
#9E3E28
oklch(49.2% 0.133 34.3)
-
Step 800
800
#803422
oklch(42.7% 0.11 34.7)
-
Step 900
900
#672E21
oklch(37.6% 0.085 34.1)
-
Step 950
950
#3D1C14
oklch(27.1% 0.054 34.7)
#B54B33 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) | #685E30 | 0.145 |
| Deuteranopia (no green cones) | #827530 | 0.133 |
| Tritanopia (no blue cones) | #C73446 | 0.058 |
| Achromatopsia (no color) | #6C6C6C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54B33
#B54B33
oklch(54.8% 0.143 34.2)
- #007F93
#007F93
oklch(54.8% 0.096 213.7)
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 #B54B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.032
- Sinopia #BB3E03 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.034
- Dusty Red #B9484E ΔE 0.036
- Burnt Siena #B75203 ΔE 0.038
- Burnt Orange #C04E01 ΔE 0.038
- Cinnamon #AC4F06 ΔE 0.039
- Sienna #A0522D ΔE 0.043
Use #B54B33 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.