#903010
Closest named color: Brown Red (#922B05). oklch(44.7% 0.136 37.3), rgb(144, 48, 16).
Aa
White text reads best on this color (8.02:1).
About this color
#903010 is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.136 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Red (#922B05), ΔE 0.009 away. White text reads best on it, at 8.02:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Brown Red (#922B05) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #903010 |
| RGB | rgb(144, 48, 16) |
| HSL | hsl(15, 80%, 31%) |
| OKLCH | oklch(44.7% 0.136 37.3) |
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 #903010 | 8.02:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #903010 | 2.61:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #903010 text on white | 8.02:1 | AAA | Lc 86.9 | Fine for body text |
| #903010 text on black | 2.61:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F4D0C5
oklch(88.5% 0.043 37.7)
-
Step 300
300
#EFAF9C
oklch(80.9% 0.08 37.2)
-
Step 400
400
#E48265
oklch(70.7% 0.128 37.3)
-
Step 500
500
#D95E39
oklch(63.1% 0.163 37.2)
-
Step 600
600
#C44010
oklch(55.6% 0.176 37.4)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800 (this color)
#903010
oklch(44.7% 0.136 37.3)
-
Step 900
900
#6F2812
oklch(37.8% 0.106 37.3)
-
Step 950
950
#41180C
oklch(26.9% 0.067 37)
#903010 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) | #4C430A | 0.138 |
| Deuteranopia (no green cones) | #64580A | 0.124 |
| Tritanopia (no blue cones) | #9F132A | 0.057 |
| Achromatopsia (no color) | #505050 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903010
#903010
oklch(44.7% 0.136 37.3)
- #005F71
#005F71
oklch(44.8% 0.08 216.6)
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 #903010, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Red #922B05 ΔE 0.009
- Red Brown #8B2E16 ΔE 0.013
- Rust Brown #8B3103 ΔE 0.013
- Burnt Red #9F2305 ΔE 0.032
- Auburn #9B2226 ΔE 0.039
- Brick #A03623 ΔE 0.040
- Brick Red #8F1402 ΔE 0.040
- Russet #A13905 ΔE 0.043
Use #903010 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.