#90330E
Closest named color: Rust Brown (#8B3103). oklch(45.1% 0.134 39.2), rgb(144, 51, 14).
Aa
White text reads best on this color (7.87:1).
About this color
#90330E is a medium-dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.134 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.013 away. White text reads best on it, at 7.87:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #90330E |
| RGB | rgb(144, 51, 14) |
| HSL | hsl(17, 82%, 31%) |
| OKLCH | oklch(45.1% 0.134 39.2) |
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 #90330E | 7.87:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #90330E | 2.66:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #90330E text on white | 7.87:1 | AAA | Lc 86.5 | Fine for body text |
| #90330E text on black | 2.66:1 | Fails | Lc -15.6 | 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
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEB09B
oklch(81% 0.079 39.5)
-
Step 400
400
#E28464
oklch(70.8% 0.125 39.5)
-
Step 500
500
#D76037
oklch(63% 0.16 39)
-
Step 600
600
#C34207
oklch(55.6% 0.175 39.1)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800 (this color)
#90330E
oklch(45.1% 0.134 39.2)
-
Step 900
900
#6E2910
oklch(37.8% 0.105 39)
-
Step 950
950
#40190B
oklch(26.9% 0.065 39.7)
#90330E 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) | #4E4406 | 0.134 |
| Deuteranopia (no green cones) | #655908 | 0.120 |
| Tritanopia (no blue cones) | #9F192C | 0.059 |
| Achromatopsia (no color) | #515151 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90330E
#90330E
oklch(45.1% 0.134 39.2)
- #006074
#006074
oklch(45.2% 0.081 218.5)
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 #90330E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.013
- Brown Red #922B05 ΔE 0.014
- Red Brown #8B2E16 ΔE 0.018
- Burnt Red #9F2305 ΔE 0.035
- Brick #A03623 ΔE 0.038
- Saddle Brown #8B4513 ΔE 0.039
- Russet #A13905 ΔE 0.039
- Auburn #9B2226 ΔE 0.044
Use #90330E 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.