#903F43
Closest named color: Brick (#A03623). oklch(47.6% 0.11 19.2), rgb(144, 63, 67).
Aa
White text reads best on this color (7.05:1).
About this color
#903F43 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.110 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.046 away. White text reads best on it, at 7.05:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #903F43 |
| RGB | rgb(144, 63, 67) |
| HSL | hsl(357, 39%, 41%) |
| OKLCH | oklch(47.6% 0.11 19.2) |
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 #903F43 | 7.05:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #903F43 | 2.97:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #903F43 text on white | 7.05:1 | AAA | Lc 83.9 | Fine for body text |
| #903F43 text on black | 2.97:1 | Fails | Lc -18.0 | 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 700.
-
Step 50
50
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D1
oklch(88.5% 0.029 20.4)
-
Step 300
300
#E1B4B3
oklch(81% 0.052 19.8)
-
Step 400
400
#D08B8B
oklch(70.6% 0.085 19.4)
-
Step 500
500
#C26D6F
oklch(63.1% 0.108 19.1)
-
Step 600
600
#AE5357
oklch(55.6% 0.119 19)
-
Step 700
700 (this color)
#903F43
oklch(47.6% 0.11 19.2)
-
Step 800
800
#79383B
oklch(42.7% 0.091 18.8)
-
Step 900
900
#623132
oklch(37.7% 0.071 19.7)
-
Step 950
950
#3A1D1E
oklch(27.1% 0.046 18.3)
#903F43 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) | #514E43 | 0.119 |
| Deuteranopia (no green cones) | #665F41 | 0.110 |
| Tritanopia (no blue cones) | #9D3341 | 0.031 |
| Achromatopsia (no color) | #595959 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903F43
#903F43
oklch(47.6% 0.11 19.2)
- #006A6E
#006A6E
oklch(47.6% 0.081 199.4)
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 #903F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.046
- Dark Mauve #874C62 ΔE 0.048
- Light Maroon #A24857 ΔE 0.049
- Brown #A52A2A ΔE 0.052
- Brownish Purple #76424E ΔE 0.052
- Auburn #9B2226 ΔE 0.053
- Red Brown #8B2E16 ΔE 0.056
- Light Burgundy #A8415B ΔE 0.059
Use #903F43 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.