#A8243E
Closest named color: Rouge (#AB1239). oklch(48.4% 0.167 15.6), rgb(168, 36, 62).
Aa
White text reads best on this color (7.03:1).
About this color
#A8243E is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.167 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.016 away. White text reads best on it, at 7.03:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #A8243E |
| RGB | rgb(168, 36, 62) |
| HSL | hsl(348, 65%, 40%) |
| OKLCH | oklch(48.4% 0.167 15.6) |
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 #A8243E | 7.03:1 | AAA | Lc -88.0 | Fine for body text |
| Black text on #A8243E | 2.98:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #A8243E text on white | 7.03:1 | AAA | Lc 82.9 | Fine for body text |
| #A8243E text on black | 2.98:1 | Fails | Lc -19.0 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#F0ACAF
oklch(80.9% 0.08 16.1)
-
Step 400
400
#E57D86
oklch(70.7% 0.128 15.4)
-
Step 500
500
#DA5767
oklch(63% 0.164 15.8)
-
Step 600
600
#C6364F
oklch(55.6% 0.18 15.6)
-
Step 700
700 (this color)
#A8243E
oklch(48.4% 0.167 15.6)
-
Step 800
800
#8A2335
oklch(42.7% 0.137 15.5)
-
Step 900
900
#6F232E
oklch(37.6% 0.107 15.4)
-
Step 950
950
#42161B
oklch(27.1% 0.068 16)
#A8243E 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) | #4A473E | 0.185 |
| Deuteranopia (no green cones) | #6B633A | 0.171 |
| Tritanopia (no blue cones) | #B8002F | 0.036 |
| Achromatopsia (no color) | #595959 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A8243E
#A8243E
oklch(48.4% 0.167 15.6)
- #006D6E
#006D6E
oklch(48.5% 0.083 195.9)
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 #A8243E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.016
- Brown #A52A2A ΔE 0.029
- Raspberry #B00149 ΔE 0.035
- Firebrick #B22222 ΔE 0.038
- Auburn #9B2226 ΔE 0.040
- Cranberry #9E003A ΔE 0.042
- Rose Red #BE013C ΔE 0.044
- Rufous #AE2012 ΔE 0.046
Use #A8243E 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.