#99371E
Closest named color: Brick (#A03623). oklch(47.3% 0.137 35.3), rgb(153, 55, 30).
Aa
White text reads best on this color (7.19:1).
About this color
#99371E is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.137 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.015 away. White text reads best on it, at 7.19:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #99371E |
| RGB | rgb(153, 55, 30) |
| HSL | hsl(12, 67%, 36%) |
| OKLCH | oklch(47.3% 0.137 35.3) |
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 #99371E | 7.19:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #99371E | 2.91:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #99371E text on white | 7.19:1 | AAA | Lc 84.1 | Fine for body text |
| #99371E text on black | 2.91:1 | Fails | Lc -17.9 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E8B2A4
oklch(80.9% 0.066 35)
-
Step 400
400
#DA8873
oklch(70.7% 0.106 35.1)
-
Step 500
500
#CE684E
oklch(63.2% 0.135 35.4)
-
Step 600
600
#B94C31
oklch(55.6% 0.147 35.1)
-
Step 700
700 (this color)
#99371E
oklch(47.3% 0.137 35.3)
-
Step 800
800
#81331F
oklch(42.7% 0.113 35.5)
-
Step 900
900
#682D1F
oklch(37.6% 0.088 34.6)
-
Step 950
950
#3D1B13
oklch(26.9% 0.056 34.4)
#99371E 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) | #534A1A | 0.139 |
| Deuteranopia (no green cones) | #6B5F1A | 0.126 |
| Tritanopia (no blue cones) | #A91D32 | 0.056 |
| Achromatopsia (no color) | #575757 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99371E
#99371E
oklch(47.3% 0.137 35.3)
- #006779
#006779
oklch(47.3% 0.084 215.2)
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 #99371E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.015
- Russet #A13905 ΔE 0.023
- Brown Red #922B05 ΔE 0.030
- Burnt Red #9F2305 ΔE 0.030
- Brown #A52A2A ΔE 0.035
- Rust Red #AA2704 ΔE 0.037
- Red Brown #8B2E16 ΔE 0.037
- Rust Brown #8B3103 ΔE 0.037
Use #99371E 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.