#903741
Closest named color: Auburn (#9B2226). oklch(46.4% 0.121 16.4), rgb(144, 55, 65).
Aa
White text reads best on this color (7.47:1).
About this color
#903741 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.121 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.042 away. White text reads best on it, at 7.47:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #903741 |
| RGB | rgb(144, 55, 65) |
| HSL | hsl(353, 45%, 39%) |
| OKLCH | oklch(46.4% 0.121 16.4) |
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 #903741 | 7.47:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #903741 | 2.80:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #903741 text on white | 7.47:1 | AAA | Lc 85.3 | Fine for body text |
| #903741 text on black | 2.80:1 | Fails | Lc -16.7 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F5E6E6
oklch(93.7% 0.016 17.4)
-
Step 200
200
#EED1D2
oklch(88.5% 0.033 15.4)
-
Step 300
300
#E4B2B3
oklch(80.9% 0.058 17.1)
-
Step 400
400
#D4888C
oklch(70.6% 0.093 16.3)
-
Step 500
500
#C76970
oklch(63.1% 0.119 16.4)
-
Step 600
600
#B24F58
oklch(55.6% 0.129 16.7)
-
Step 700
700 (this color)
#903741
oklch(46.4% 0.121 16.4)
-
Step 800
800
#7C353C
oklch(42.7% 0.099 16.2)
-
Step 900
900
#642E33
oklch(37.6% 0.078 15.8)
-
Step 950
950
#3B1C1E
oklch(27.1% 0.049 16.8)
#903741 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) | #4C4941 | 0.131 |
| Deuteranopia (no green cones) | #625C3F | 0.122 |
| Tritanopia (no blue cones) | #9D283B | 0.032 |
| Achromatopsia (no color) | #555555 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903741
#903741
oklch(46.4% 0.121 16.4)
- #006668
#006668
oklch(46.3% 0.079 197.1)
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 #903741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.042
- Brown #A52A2A ΔE 0.048
- Brick #A03623 ΔE 0.048
- Red Brown #8B2E16 ΔE 0.051
- Brownish Purple #76424E ΔE 0.054
- Brown Red #922B05 ΔE 0.057
- Dark Mauve #874C62 ΔE 0.058
- Light Maroon #A24857 ΔE 0.059
Use #903741 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.