#B0404B
Closest named color: Dusty Red (#B9484E). oklch(53% 0.146 17.9), rgb(176, 64, 75).
Aa
White text reads best on this color (5.70:1).
About this color
#B0404B is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.146 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.026 away. White text reads best on it, at 5.70:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #B0404B |
| RGB | rgb(176, 64, 75) |
| HSL | hsl(354, 47%, 47%) |
| OKLCH | oklch(53% 0.146 17.9) |
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 #B0404B | 5.70:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #B0404B | 3.68:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #B0404B text on white | 5.70:1 | AA | Lc 77.7 | Fine for body text |
| #B0404B text on black | 3.68:1 | AA large text | Lc -24.0 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D0D0
oklch(88.4% 0.036 17.9)
-
Step 300
300
#E8B0B1
oklch(80.9% 0.066 17.4)
-
Step 400
400
#DA8588
oklch(70.7% 0.105 17.8)
-
Step 500
500
#CE646A
oklch(63.2% 0.134 18.2)
-
Step 600
600 (this color)
#B0404B
oklch(53% 0.146 17.9)
-
Step 700
700
#9F3943
oklch(49.2% 0.135 17.9)
-
Step 800
800
#813037
oklch(42.7% 0.112 18)
-
Step 900
900
#682B30
oklch(37.6% 0.088 17.3)
-
Step 950
950
#3D1A1C
oklch(26.9% 0.055 17.9)
#B0404B 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) | #5B584B | 0.160 |
| Deuteranopia (no green cones) | #786F48 | 0.146 |
| Tritanopia (no blue cones) | #C02B45 | 0.038 |
| Achromatopsia (no color) | #666666 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0404B
#B0404B
oklch(53% 0.146 17.9)
- #007B7E
#007B7E
oklch(52.9% 0.09 197.8)
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 #B0404B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.026
- Dull Red #BB3F3F ΔE 0.026
- Light Burgundy #A8415B ΔE 0.028
- Dark Rose #B5485D ΔE 0.028
- Light Maroon #A24857 ΔE 0.031
- Firebrick #B22222 ΔE 0.054
- Brown #A52A2A ΔE 0.055
- Brick #A03623 ΔE 0.059
Use #B0404B 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.