#A23E0A
Closest named color: Russet (#A13905). oklch(49.6% 0.144 42.1), rgb(162, 62, 10).
Aa
White text reads best on this color (6.50:1).
About this color
#A23E0A is a medium-dark, vivid orange. In OKLCH its lightness is 50%, its chroma 0.144 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Russet (#A13905), ΔE 0.010 away. White text reads best on it, at 6.50:1.
| Hue family | Oranges |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Russet (#A13905) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #A23E0A |
| RGB | rgb(162, 62, 10) |
| HSL | hsl(21, 88%, 34%) |
| OKLCH | oklch(49.6% 0.144 42.1) |
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 #A23E0A | 6.50:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #A23E0A | 3.22:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #A23E0A text on white | 6.50:1 | AA | Lc 81.4 | Fine for body text |
| #A23E0A text on black | 3.22:1 | AA large text | Lc -20.5 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E8B29E
oklch(80.8% 0.069 41.3)
-
Step 400
400
#DB8868
oklch(70.6% 0.112 41.7)
-
Step 500
500
#CF683D
oklch(63.1% 0.143 42.3)
-
Step 600
600
#BA4C18
oklch(55.5% 0.155 42)
-
Step 700
700 (this color)
#A23E0A
oklch(49.6% 0.144 42.1)
-
Step 800
800
#82330D
oklch(42.7% 0.119 42.2)
-
Step 900
900
#692E14
oklch(37.8% 0.093 42.6)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#A23E0A 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) | #5B5000 | 0.140 |
| Deuteranopia (no green cones) | #746602 | 0.125 |
| Tritanopia (no blue cones) | #B32335 | 0.069 |
| Achromatopsia (no color) | #5E5E5E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A23E0A
#A23E0A
oklch(49.6% 0.144 42.1)
- #006D87
#006D87
oklch(49.6% 0.091 221.9)
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 #A23E0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Russet #A13905 ΔE 0.010
- Burnt Umber #A0450E ΔE 0.014
- Brick #A03623 ΔE 0.027
- Rusty Red #AF2F0D ΔE 0.033
- Rust Red #AA2704 ΔE 0.038
- Warm Brown #964E02 ΔE 0.041
- Sienna #A0522D ΔE 0.042
- Cinnamon #AC4F06 ΔE 0.044
Use #A23E0A 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.