#B0442F
Closest named color: Dull Red (#BB3F3F). oklch(53% 0.146 32.9), rgb(176, 68, 47).
Aa
White text reads best on this color (5.65:1).
About this color
#B0442F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.146 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.031 away. White text reads best on it, at 5.65:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #B0442F |
| RGB | rgb(176, 68, 47) |
| HSL | hsl(10, 58%, 44%) |
| OKLCH | oklch(53% 0.146 32.9) |
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 #B0442F | 5.65:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #B0442F | 3.71:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #B0442F text on white | 5.65:1 | AA | Lc 77.5 | Fine for body text |
| #B0442F text on black | 3.71:1 | AA large text | Lc -24.3 | 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
#E8B2A6
oklch(81% 0.066 32.8)
-
Step 400
400
#DA8876
oklch(70.8% 0.105 33.1)
-
Step 500
500
#CD6752
oklch(63% 0.134 33)
-
Step 600
600 (this color)
#B0442F
oklch(53% 0.146 32.9)
-
Step 700
700
#9F3C29
oklch(49.1% 0.136 32.8)
-
Step 800
800
#813323
oklch(42.8% 0.112 33.3)
-
Step 900
900
#682D21
oklch(37.6% 0.088 33)
-
Step 950
950
#3D1B14
oklch(26.9% 0.055 32.9)
#B0442F 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) | #62582C | 0.149 |
| Deuteranopia (no green cones) | #7C702C | 0.138 |
| Tritanopia (no blue cones) | #C12B40 | 0.056 |
| Achromatopsia (no color) | #676767 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0442F
#B0442F
oklch(53% 0.146 32.9)
- #00798C
#00798C
oklch(53% 0.093 213.6)
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 #B0442F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.031
- Sinopia #BB3E03 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.038
- Sienna #A0522D ΔE 0.041
- Dusty Red #B9484E ΔE 0.041
- Cinnamon #AC4F06 ΔE 0.042
- Burnt Umber #A0450E ΔE 0.042
- Brick Orange #C14A09 ΔE 0.046
Use #B0442F 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.