#99503A
Closest named color: Sienna (#A0522D). oklch(51.5% 0.103 37.6), rgb(153, 80, 58).
Aa
White text reads best on this color (5.89:1).
About this color
#99503A is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.103 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.89:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #99503A |
| RGB | rgb(153, 80, 58) |
| HSL | hsl(14, 45%, 41%) |
| OKLCH | oklch(51.5% 0.103 37.6) |
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 #99503A | 5.89:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #99503A | 3.56:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #99503A text on white | 5.89:1 | AA | Lc 79.1 | Fine for body text |
| #99503A text on black | 3.56:1 | AA large text | Lc -22.7 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#DEB6AA
oklch(80.8% 0.05 37.3)
-
Step 400
400
#CD8F7D
oklch(70.7% 0.08 36.9)
-
Step 500
500
#BE725C
oklch(63% 0.102 36.9)
-
Step 600
600
#AA5A42
oklch(55.7% 0.111 37.5)
-
Step 700
700 (this color)
#99503A
oklch(51.5% 0.103 37.6)
-
Step 800
800
#763C2B
oklch(42.6% 0.086 37.2)
-
Step 900
900
#603427
oklch(37.7% 0.067 37.3)
-
Step 950
950
#381F17
oklch(27% 0.042 38.5)
#99503A 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) | #635B38 | 0.100 |
| Deuteranopia (no green cones) | #756A39 | 0.091 |
| Tritanopia (no blue cones) | #A7434B | 0.049 |
| Achromatopsia (no color) | #646464 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99503A
#99503A
oklch(51.5% 0.103 37.6)
- #00748A
#00748A
oklch(51.5% 0.092 217.1)
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 #99503A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Burnt Umber #A0450E ΔE 0.038
- Warm Brown #964E02 ΔE 0.043
- Sepia #985E2B ΔE 0.044
- Cocoa #875F42 ΔE 0.046
- Cinnamon #AC4F06 ΔE 0.050
- Saddle Brown #8B4513 ΔE 0.051
- Brick #A03623 ΔE 0.052
Use #99503A 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.