#A25237
Closest named color: Sienna (#A0522D). oklch(53.1% 0.113 39.2), rgb(162, 82, 55).
Aa
White text reads best on this color (5.52:1).
About this color
#A25237 is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.113 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.012 away. White text reads best on it, at 5.52:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.79:1 |
| White text | 5.52:1 |
Values
| HEX | #A25237 |
| RGB | rgb(162, 82, 55) |
| HSL | hsl(15, 49%, 43%) |
| OKLCH | oklch(53.1% 0.113 39.2) |
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 #A25237 | 5.52:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #A25237 | 3.79:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #A25237 text on white | 5.52:1 | AA | Lc 77.2 | Fine for body text |
| #A25237 text on black | 3.79:1 | AA large text | Lc -24.6 | 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 600.
-
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
#DFB6A9
oklch(80.9% 0.051 38.3)
-
Step 400
400
#CD8F7B
oklch(70.6% 0.081 38.6)
-
Step 500
500
#BF7259
oklch(63% 0.105 38.7)
-
Step 600
600 (this color)
#A25237
oklch(53.1% 0.113 39.2)
-
Step 700
700
#924930
oklch(49.1% 0.106 39.4)
-
Step 800
800
#773C29
oklch(42.7% 0.088 38.5)
-
Step 900
900
#603425
oklch(37.7% 0.068 39.5)
-
Step 950
950
#381F16
oklch(27% 0.042 40.5)
#A25237 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) | #675E34 | 0.109 |
| Deuteranopia (no green cones) | #7B6F36 | 0.099 |
| Tritanopia (no blue cones) | #B1434C | 0.055 |
| Achromatopsia (no color) | #696969 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A25237
#A25237
oklch(53.1% 0.113 39.2)
- #007892
#007892
oklch(53% 0.096 219.9)
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 #A25237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.012
- Cinnamon #AC4F06 ΔE 0.036
- Burnt Umber #A0450E ΔE 0.038
- Sepia #985E2B ΔE 0.040
- Earth #A2653E ΔE 0.046
- Warm Brown #964E02 ΔE 0.046
- Burnt Siena #B75203 ΔE 0.050
- Raw Umber #A75E09 ΔE 0.052
Use #A25237 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.