#A6203B
Closest named color: Rouge (#AB1239). oklch(47.7% 0.168 16), rgb(166, 32, 59).
Aa
White text reads best on this color (7.26:1).
About this color
#A6203B is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.168 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.014 away. White text reads best on it, at 7.26:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.89:1 |
| White text | 7.26:1 |
Values
| HEX | #A6203B |
| RGB | rgb(166, 32, 59) |
| HSL | hsl(348, 68%, 39%) |
| OKLCH | oklch(47.7% 0.168 16) |
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 #A6203B | 7.26:1 | AAA | Lc -88.7 | Fine for body text |
| Black text on #A6203B | 2.89:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #A6203B text on white | 7.26:1 | AAA | Lc 83.7 | Fine for body text |
| #A6203B text on black | 2.89:1 | Fails | Lc -18.2 | 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
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F6CECF
oklch(88.6% 0.045 16.3)
-
Step 300
300
#F1ACAF
oklch(81% 0.081 16.1)
-
Step 400
400
#E67C85
oklch(70.7% 0.131 15.6)
-
Step 500
500
#DB5666
oklch(63.1% 0.167 16.1)
-
Step 600
600
#C6354E
oklch(55.5% 0.181 15.8)
-
Step 700
700 (this color)
#A6203B
oklch(47.7% 0.168 16)
-
Step 800
800
#8B2234
oklch(42.7% 0.14 16)
-
Step 900
900
#70232D
oklch(37.8% 0.108 16.4)
-
Step 950
950
#42161B
oklch(27.1% 0.068 16)
#A6203B 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) | #48453B | 0.187 |
| Deuteranopia (no green cones) | #696137 | 0.172 |
| Tritanopia (no blue cones) | #B6002C | 0.035 |
| Achromatopsia (no color) | #575757 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6203B
#A6203B
oklch(47.7% 0.168 16)
- #006B6C
#006B6C
oklch(47.8% 0.082 195.9)
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 #A6203B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.014
- Brown #A52A2A ΔE 0.029
- Cranberry #9E003A ΔE 0.035
- Auburn #9B2226 ΔE 0.035
- Raspberry #B00149 ΔE 0.036
- Firebrick #B22222 ΔE 0.040
- Rufous #AE2012 ΔE 0.045
- Carmine #9D0216 ΔE 0.048
Use #A6203B 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.