#99403B
Closest named color: Brick (#A03623). oklch(49% 0.121 25.7), rgb(153, 64, 59).
Aa
White text reads best on this color (6.66:1).
About this color
#99403B is a medium-dark, moderately saturated red. In OKLCH its lightness is 49%, its chroma 0.121 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.029 away. White text reads best on it, at 6.66:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #99403B |
| RGB | rgb(153, 64, 59) |
| HSL | hsl(3, 44%, 42%) |
| OKLCH | oklch(49% 0.121 25.7) |
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 #99403B | 6.66:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #99403B | 3.15:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #99403B text on white | 6.66:1 | AA | Lc 82.3 | Fine for body text |
| #99403B text on black | 3.15:1 | AA large text | Lc -19.6 | 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 700.
-
Step 50
50
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED1CE
oklch(88.4% 0.033 24.8)
-
Step 300
300
#E4B3AD
oklch(80.9% 0.058 26.5)
-
Step 400
400
#D58A82
oklch(70.8% 0.093 26.3)
-
Step 500
500
#C76A63
oklch(63% 0.119 25.5)
-
Step 600
600
#B3504A
oklch(55.6% 0.13 25.7)
-
Step 700
700 (this color)
#99403B
oklch(49% 0.121 25.7)
-
Step 800
800
#7D3631
oklch(42.8% 0.1 26.2)
-
Step 900
900
#652F2B
oklch(37.7% 0.079 25.8)
-
Step 950
950
#3B1C1A
oklch(26.9% 0.049 24.7)
#99403B 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) | #56503A | 0.127 |
| Deuteranopia (no green cones) | #6C6339 | 0.117 |
| Tritanopia (no blue cones) | #A7303F | 0.039 |
| Achromatopsia (no color) | #5C5C5C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99403B
#99403B
oklch(49% 0.121 25.7)
- #006D77
#006D77
oklch(48.8% 0.084 205.9)
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 #99403B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.029
- Brown #A52A2A ΔE 0.040
- Light Maroon #A24857 ΔE 0.043
- Russet #A13905 ΔE 0.044
- Burnt Umber #A0450E ΔE 0.048
- Auburn #9B2226 ΔE 0.051
- Sienna #A0522D ΔE 0.054
- Light Burgundy #A8415B ΔE 0.055
Use #99403B 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.