#99303A
Closest named color: Auburn (#9B2226). oklch(46.9% 0.139 19), rgb(153, 48, 58).
Aa
White text reads best on this color (7.39:1).
About this color
#99303A is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.139 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.027 away. White text reads best on it, at 7.39:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.83:1 |
| White text | 7.39:1 |
Values
| HEX | #99303A |
| RGB | rgb(153, 48, 58) |
| HSL | hsl(354, 52%, 39%) |
| OKLCH | oklch(46.9% 0.139 19) |
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 #99303A | 7.39:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #99303A | 2.83:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #99303A text on white | 7.39:1 | AAA | Lc 84.8 | Fine for body text |
| #99303A text on black | 2.83:1 | Fails | Lc -17.2 | 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 700.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0CF
oklch(88.5% 0.037 19.9)
-
Step 300
300
#E9B0AF
oklch(80.9% 0.067 19.8)
-
Step 400
400
#DC8486
oklch(70.7% 0.109 18.7)
-
Step 500
500
#CF6368
oklch(63.1% 0.137 19)
-
Step 600
600
#BB464F
oklch(55.6% 0.151 19)
-
Step 700
700 (this color)
#99303A
oklch(46.9% 0.139 19)
-
Step 800
800
#822F35
oklch(42.7% 0.114 19.1)
-
Step 900
900
#692B2E
oklch(37.7% 0.089 19.4)
-
Step 950
950
#3E1A1B
oklch(27.1% 0.056 19.8)
#99303A 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) | #4B483A | 0.153 |
| Deuteranopia (no green cones) | #665E37 | 0.141 |
| Tritanopia (no blue cones) | #A81734 | 0.037 |
| Achromatopsia (no color) | #555555 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99303A
#99303A
oklch(46.9% 0.139 19)
- #00686B
#00686B
oklch(47% 0.08 198.3)
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 #99303A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.027
- Brown #A52A2A ΔE 0.029
- Brick #A03623 ΔE 0.037
- Rouge #AB1239 ΔE 0.044
- Burnt Red #9F2305 ΔE 0.046
- Cranberry #9E003A ΔE 0.049
- Red Brown #8B2E16 ΔE 0.051
- Carmine #9D0216 ΔE 0.051
Use #99303A 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.