#99403D
Closest named color: Brick (#A03623). oklch(49% 0.12 24.5), rgb(153, 64, 61).
Aa
White text reads best on this color (6.65:1).
About this color
#99403D is a medium-dark, moderately saturated red. In OKLCH its lightness is 49%, its chroma 0.120 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.031 away. White text reads best on it, at 6.65:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #99403D |
| RGB | rgb(153, 64, 61) |
| HSL | hsl(2, 43%, 42%) |
| OKLCH | oklch(49% 0.12 24.5) |
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 #99403D | 6.65:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #99403D | 3.15:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #99403D text on white | 6.65:1 | AA | Lc 82.3 | Fine for body text |
| #99403D 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
#EED1CF
oklch(88.4% 0.033 22.5)
-
Step 300
300
#E4B3AE
oklch(81% 0.058 25.1)
-
Step 400
400
#D58984
oklch(70.7% 0.094 23.8)
-
Step 500
500
#C76A65
oklch(63% 0.119 24.2)
-
Step 600
600
#B3504C
oklch(55.6% 0.13 24.5)
-
Step 700
700 (this color)
#99403D
oklch(49% 0.12 24.5)
-
Step 800
800
#7D3633
oklch(42.8% 0.1 24.6)
-
Step 900
900
#652F2C
oklch(37.7% 0.079 24.8)
-
Step 950
950
#3B1C1A
oklch(26.9% 0.049 24.7)
#99403D 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) | #56513C | 0.128 |
| Deuteranopia (no green cones) | #6C633B | 0.117 |
| Tritanopia (no blue cones) | #A73040 | 0.038 |
| Achromatopsia (no color) | #5C5C5C | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99403D
#99403D
oklch(49% 0.12 24.5)
- #006E77
#006E77
oklch(49.1% 0.084 204.7)
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 #99403D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.031
- Brown #A52A2A ΔE 0.041
- Light Maroon #A24857 ΔE 0.041
- Russet #A13905 ΔE 0.047
- Burnt Umber #A0450E ΔE 0.051
- Auburn #9B2226 ΔE 0.051
- Light Burgundy #A8415B ΔE 0.052
- Sienna #A0522D ΔE 0.055
Use #99403D 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.