#A23B23
Closest named color: Brick (#A03623). oklch(49.4% 0.142 34.5), rgb(162, 59, 35).
Aa
White text reads best on this color (6.59:1).
About this color
#A23B23 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.142 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.011 away. White text reads best on it, at 6.59:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #A23B23 |
| RGB | rgb(162, 59, 35) |
| HSL | hsl(11, 64%, 39%) |
| OKLCH | oklch(49.4% 0.142 34.5) |
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 #A23B23 | 6.59:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #A23B23 | 3.18:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #A23B23 text on white | 6.59:1 | AA | Lc 81.8 | Fine for body text |
| #A23B23 text on black | 3.18:1 | AA large text | Lc -20.1 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E9B1A3
oklch(80.8% 0.069 34.5)
-
Step 400
400
#DC8772
oklch(70.8% 0.11 34.7)
-
Step 500
500
#D0664D
oklch(63.2% 0.14 34.5)
-
Step 600
600
#BB4A2F
oklch(55.6% 0.152 34.7)
-
Step 700
700 (this color)
#A23B23
oklch(49.4% 0.142 34.5)
-
Step 800
800
#83311E
oklch(42.7% 0.118 34.4)
-
Step 900
900
#692C1E
oklch(37.6% 0.091 34.3)
-
Step 950
950
#3E1B12
oklch(27.1% 0.057 35.5)
#A23B23 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) | #584F20 | 0.145 |
| Deuteranopia (no green cones) | #71651F | 0.132 |
| Tritanopia (no blue cones) | #B22136 | 0.055 |
| Achromatopsia (no color) | #5D5D5D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A23B23
#A23B23
oklch(49.4% 0.142 34.5)
- #006E80
#006E80
oklch(49.5% 0.087 214.1)
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 #A23B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.011
- Russet #A13905 ΔE 0.018
- Rusty Red #AF2F0D ΔE 0.029
- Burnt Umber #A0450E ΔE 0.029
- Rust Red #AA2704 ΔE 0.032
- Brown #A52A2A ΔE 0.032
- Rufous #AE2012 ΔE 0.040
- Burnt Red #9F2305 ΔE 0.041
Use #A23B23 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.