#90300B
Closest named color: Brown Red (#922B05). oklch(44.7% 0.137 38.4), rgb(144, 48, 11).
Aa
White text reads best on this color (8.03:1).
About this color
#90300B is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.137 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Red (#922B05), ΔE 0.008 away. White text reads best on it, at 8.03:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Brown Red (#922B05) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #90300B |
| RGB | rgb(144, 48, 11) |
| HSL | hsl(17, 86%, 30%) |
| OKLCH | oklch(44.7% 0.137 38.4) |
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 #90300B | 8.03:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #90300B | 2.61:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #90300B text on white | 8.03:1 | AAA | Lc 86.9 | Fine for body text |
| #90300B 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
#F5D0C4
oklch(88.6% 0.045 38.8)
-
Step 300
300
#EFAF9B
oklch(80.9% 0.081 38.1)
-
Step 400
400
#E48263
oklch(70.7% 0.129 38.3)
-
Step 500
500
#D95F36
oklch(63.2% 0.163 38.6)
-
Step 600
600
#C54005
oklch(55.7% 0.178 38.4)
-
Step 700
700
#A73300
oklch(49% 0.16 38.2)
-
Step 800
800 (this color)
#90300B
oklch(44.7% 0.137 38.4)
-
Step 900
900
#6F280F
oklch(37.8% 0.107 38.5)
-
Step 950
950
#41180B
oklch(26.9% 0.068 38)
#90300B 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) | #4C4303 | 0.139 |
| Deuteranopia (no green cones) | #645804 | 0.124 |
| Tritanopia (no blue cones) | #9F122A | 0.059 |
| Achromatopsia (no color) | #505050 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90300B
#90300B
oklch(44.7% 0.137 38.4)
- #005F72
#005F72
oklch(44.8% 0.08 217.7)
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 #90300B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Red #922B05 ΔE 0.008
- Rust Brown #8B3103 ΔE 0.012
- Red Brown #8B2E16 ΔE 0.014
- Burnt Red #9F2305 ΔE 0.033
- Brick #A03623 ΔE 0.041
- Brick Red #8F1402 ΔE 0.041
- Auburn #9B2226 ΔE 0.041
- Russet #A13905 ΔE 0.042
Use #90300B 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.