#A12423
Closest named color: Brown (#A52A2A). oklch(46.7% 0.162 26.5), rgb(161, 36, 35).
Aa
White text reads best on this color (7.52:1).
About this color
#A12423 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.162 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.014 away. White text reads best on it, at 7.52:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #A12423 |
| RGB | rgb(161, 36, 35) |
| HSL | hsl(0, 64%, 38%) |
| OKLCH | oklch(46.7% 0.162 26.5) |
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 #A12423 | 7.52:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #A12423 | 2.79:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #A12423 text on white | 7.52:1 | AAA | Lc 84.7 | Fine for body text |
| #A12423 text on black | 2.79:1 | Fails | Lc -17.3 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E5E2
oklch(93.7% 0.022 27.8)
-
Step 200
200
#F5CFCA
oklch(88.5% 0.044 26.8)
-
Step 300
300
#EFAEA6
oklch(81% 0.078 26.8)
-
Step 400
400
#E48076
oklch(70.7% 0.125 26.7)
-
Step 500
500
#D95B53
oklch(63% 0.16 26.3)
-
Step 600
600
#C43C38
oklch(55.5% 0.173 26.2)
-
Step 700
700 (this color)
#A12423
oklch(46.7% 0.162 26.5)
-
Step 800
800
#892724
oklch(42.6% 0.133 26.3)
-
Step 900
900
#6F2622
oklch(37.8% 0.105 26.4)
-
Step 950
950
#411714
oklch(26.9% 0.066 26.5)
#A12423 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) | #4A4321 | 0.175 |
| Deuteranopia (no green cones) | #695E1E | 0.159 |
| Tritanopia (no blue cones) | #B20026 | 0.039 |
| Achromatopsia (no color) | #545454 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A12423
#A12423
oklch(46.7% 0.162 26.5)
- #006670
#006670
oklch(46.6% 0.08 206.5)
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 #A12423, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.014
- Auburn #9B2226 ΔE 0.014
- Burnt Red #9F2305 ΔE 0.021
- Rufous #AE2012 ΔE 0.029
- Brick #A03623 ΔE 0.029
- Rust Red #AA2704 ΔE 0.029
- Carmine #9D0216 ΔE 0.032
- Firebrick #B22222 ΔE 0.035
Use #A12423 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.