#903151
Closest named color: Berry (#990F4B). oklch(46% 0.131 3), rgb(144, 49, 81).
Aa
White text reads best on this color (7.65:1).
About this color
#903151 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.131 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Berry (#990F4B), ΔE 0.042 away. White text reads best on it, at 7.65:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Berry (#990F4B) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #903151 |
| RGB | rgb(144, 49, 81) |
| HSL | hsl(340, 49%, 38%) |
| OKLCH | oklch(46% 0.131 3) |
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 #903151 | 7.65:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #903151 | 2.74:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #903151 text on white | 7.65:1 | AAA | Lc 85.8 | Fine for body text |
| #903151 text on black | 2.74:1 | Fails | Lc -16.2 | 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 700.
-
Step 50
50
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F5E5E8
oklch(93.5% 0.018 4.5)
-
Step 200
200
#EFD0D7
oklch(88.5% 0.036 2.6)
-
Step 300
300
#E5B0BC
oklch(80.9% 0.064 3.5)
-
Step 400
400
#D6859A
oklch(70.7% 0.102 3.2)
-
Step 500
500
#C86582
oklch(63.1% 0.129 2.9)
-
Step 600
600
#B34A6B
oklch(55.6% 0.14 3.1)
-
Step 700
700 (this color)
#903151
oklch(46% 0.131 3)
-
Step 800
800
#7D3149
oklch(42.7% 0.108 3.1)
-
Step 900
900
#652C3D
oklch(37.7% 0.084 3.2)
-
Step 950
950
#3B1A24
oklch(26.9% 0.053 2.1)
#903151 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) | #444852 | 0.146 |
| Deuteranopia (no green cones) | #5D5A4F | 0.133 |
| Tritanopia (no blue cones) | #9C253E | 0.036 |
| Achromatopsia (no color) | #535353 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903151
#903151
oklch(46% 0.131 3)
- #00675C
#00675C
oklch(46.1% 0.082 182.3)
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 #903151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Berry #990F4B ΔE 0.042
- Mulberry #920A4E ΔE 0.049
- Purple Red #990147 ΔE 0.050
- Cranberry #9E003A ΔE 0.054
- Dark Fuchsia #9D0759 ΔE 0.054
- Dark Mauve #874C62 ΔE 0.058
- Violet Red #A50055 ΔE 0.059
- Auburn #9B2226 ΔE 0.060
Use #903151 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.