#B25151
Closest named color: Dusty Red (#B9484E). oklch(55.7% 0.127 22), rgb(178, 81, 81).
Aa
White text reads best on this color (5.01:1).
About this color
#B25151 is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.127 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.020 away. White text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #B25151 |
| RGB | rgb(178, 81, 81) |
| HSL | hsl(0, 39%, 51%) |
| OKLCH | oklch(55.7% 0.127 22) |
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 #B25151 | 5.01:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #B25151 | 4.18:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #B25151 text on white | 5.01:1 | AA | Lc 74.1 | Content text, not long reading |
| #B25151 text on black | 4.18:1 | AA large text | Lc -27.6 | 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EED1D0
oklch(88.5% 0.033 20.1)
-
Step 300
300
#E3B3B0
oklch(80.9% 0.056 22.5)
-
Step 400
400
#D48A87
oklch(70.8% 0.091 22.2)
-
Step 500
500
#C66B69
oklch(63.1% 0.116 22.2)
-
Step 600
600 (this color)
#B25151
oklch(55.7% 0.127 22)
-
Step 700
700
#984141
oklch(49.1% 0.117 22.4)
-
Step 800
800
#7C3636
oklch(42.8% 0.098 22.1)
-
Step 900
900
#642F2F
oklch(37.6% 0.077 21.4)
-
Step 950
950
#3B1C1C
oklch(27% 0.049 20.8)
#B25151 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) | #686350 | 0.135 |
| Deuteranopia (no green cones) | #80774F | 0.126 |
| Tritanopia (no blue cones) | #C24252 | 0.039 |
| Achromatopsia (no color) | #6F6F6F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B25151
#B25151
oklch(55.7% 0.127 22)
- #00848B
#00848B
oklch(55.8% 0.095 201.4)
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 #B25151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.020
- Dark Rose #B5485D ΔE 0.030
- Dull Red #BB3F3F ΔE 0.036
- Light Maroon #A24857 ΔE 0.043
- Light Burgundy #A8415B ΔE 0.049
- Deep Rose #C74767 ΔE 0.056
- Dark Coral #CF524E ΔE 0.056
- Sienna #A0522D ΔE 0.058
Use #B25151 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.