#903734
Closest named color: Red Brown (#8B2E16). oklch(46.1% 0.122 25), rgb(144, 55, 52).
Aa
White text reads best on this color (7.54:1).
About this color
#903734 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.122 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.035 away. White text reads best on it, at 7.54:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #903734 |
| RGB | rgb(144, 55, 52) |
| HSL | hsl(2, 47%, 38%) |
| OKLCH | oklch(46.1% 0.122 25) |
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 #903734 | 7.54:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #903734 | 2.78:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #903734 text on white | 7.54:1 | AAA | Lc 85.5 | Fine for body text |
| #903734 text on black | 2.78:1 | Fails | Lc -16.5 | 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
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED1CE
oklch(88.4% 0.033 24.8)
-
Step 300
300
#E4B3AE
oklch(81% 0.058 25.1)
-
Step 400
400
#D58983
oklch(70.7% 0.094 24.6)
-
Step 500
500
#C86A64
oklch(63.1% 0.12 24.9)
-
Step 600
600
#B3504B
oklch(55.6% 0.13 25.1)
-
Step 700
700 (this color)
#903734
oklch(46.1% 0.122 25)
-
Step 800
800
#7D3532
oklch(42.7% 0.101 24.7)
-
Step 900
900
#652F2C
oklch(37.7% 0.079 24.8)
-
Step 950
950
#3B1C1A
oklch(26.9% 0.049 24.7)
#903734 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) | #4E4833 | 0.129 |
| Deuteranopia (no green cones) | #645B32 | 0.118 |
| Tritanopia (no blue cones) | #9E2537 | 0.039 |
| Achromatopsia (no color) | #545454 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903734
#903734
oklch(46.1% 0.122 25)
- #00656D
#00656D
oklch(46.2% 0.079 204.3)
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 #903734, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.035
- Auburn #9B2226 ΔE 0.036
- Brick #A03623 ΔE 0.037
- Brown Red #922B05 ΔE 0.040
- Brown #A52A2A ΔE 0.043
- Rust Brown #8B3103 ΔE 0.043
- Burnt Red #9F2305 ΔE 0.047
- Russet #A13905 ΔE 0.052
Use #903734 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.