#99372D
Closest named color: Brick (#A03623). oklch(47.5% 0.133 28.9), rgb(153, 55, 45).
Aa
White text reads best on this color (7.14:1).
About this color
#99372D is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.133 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.017 away. White text reads best on it, at 7.14:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #99372D |
| RGB | rgb(153, 55, 45) |
| HSL | hsl(6, 55%, 39%) |
| OKLCH | oklch(47.5% 0.133 28.9) |
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 #99372D | 7.14:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #99372D | 2.93:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #99372D text on white | 7.14:1 | AAA | Lc 84.0 | Fine for body text |
| #99372D text on black | 2.93:1 | Fails | Lc -18.0 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E7B2A9
oklch(80.9% 0.064 29.5)
-
Step 400
400
#D9877B
oklch(70.6% 0.103 28.9)
-
Step 500
500
#CD675A
oklch(63.1% 0.132 28.8)
-
Step 600
600
#B84C40
oklch(55.6% 0.143 28.8)
-
Step 700
700 (this color)
#99372D
oklch(47.5% 0.133 28.9)
-
Step 800
800
#81322A
oklch(42.7% 0.111 28.4)
-
Step 900
900
#682D26
oklch(37.7% 0.086 28.7)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#99372D 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) | #524A2B | 0.139 |
| Deuteranopia (no green cones) | #6A602A | 0.129 |
| Tritanopia (no blue cones) | #A82035 | 0.045 |
| Achromatopsia (no color) | #585858 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99372D
#99372D
oklch(47.5% 0.133 28.9)
- #006875
#006875
oklch(47.4% 0.082 209.7)
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 #99372D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.017
- Brown #A52A2A ΔE 0.028
- Auburn #9B2226 ΔE 0.033
- Russet #A13905 ΔE 0.035
- Burnt Red #9F2305 ΔE 0.036
- Brown Red #922B05 ΔE 0.038
- Red Brown #8B2E16 ΔE 0.041
- Rust Red #AA2704 ΔE 0.042
Use #99372D 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.