#B05151
Closest named color: Dusty Red (#B9484E). oklch(55.4% 0.125 22), rgb(176, 81, 81).
Aa
White text reads best on this color (5.07:1).
About this color
#B05151 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.125 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.022 away. White text reads best on it, at 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #B05151 |
| RGB | rgb(176, 81, 81) |
| HSL | hsl(0, 38%, 50%) |
| OKLCH | oklch(55.4% 0.125 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 #B05151 | 5.07:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #B05151 | 4.14:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #B05151 text on white | 5.07:1 | AA | Lc 74.5 | Content text, not long reading |
| #B05151 text on black | 4.14:1 | AA large text | Lc -27.2 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EDD2D0
oklch(88.6% 0.03 22.8)
-
Step 300
300
#E3B3B0
oklch(80.9% 0.056 22.5)
-
Step 400
400
#D38A87
oklch(70.7% 0.09 22.2)
-
Step 500
500
#C56B6A
oklch(63% 0.115 21.5)
-
Step 600
600 (this color)
#B05151
oklch(55.4% 0.125 22)
-
Step 700
700
#974242
oklch(49.1% 0.115 22.2)
-
Step 800
800
#7B3737
oklch(42.8% 0.095 21.9)
-
Step 900
900
#63302F
oklch(37.6% 0.074 22.4)
-
Step 950
950
#3A1C1C
oklch(26.8% 0.047 20.7)
#B05151 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) | #676250 | 0.133 |
| Deuteranopia (no green cones) | #7F764F | 0.123 |
| Tritanopia (no blue cones) | #C04252 | 0.039 |
| Achromatopsia (no color) | #6E6E6E | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B05151
#B05151
oklch(55.4% 0.125 22)
- #00838A
#00838A
oklch(55.5% 0.094 201.4)
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 #B05151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.022
- Dark Rose #B5485D ΔE 0.030
- Dull Red #BB3F3F ΔE 0.037
- Light Maroon #A24857 ΔE 0.039
- Light Burgundy #A8415B ΔE 0.047
- Sienna #A0522D ΔE 0.056
- Deep Rose #C74767 ΔE 0.058
- Dark Coral #CF524E ΔE 0.060
Use #B05151 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.