#A90E3E
Closest named color: Rouge (#AB1239). oklch(47.3% 0.182 12.7), rgb(169, 14, 62).
Aa
White text reads best on this color (7.44:1).
About this color
#A90E3E is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.182 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.010 away. White text reads best on it, at 7.44:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.81:1 |
| White text | 7.44:1 |
Values
| HEX | #A90E3E |
| RGB | rgb(169, 14, 62) |
| HSL | hsl(341, 85%, 36%) |
| OKLCH | oklch(47.3% 0.182 12.7) |
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 #A90E3E | 7.44:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #A90E3E | 2.81:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #A90E3E text on white | 7.44:1 | AAA | Lc 83.8 | Fine for body text |
| #A90E3E text on black | 2.81:1 | Fails | Lc -18.1 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE3E5
oklch(93.5% 0.025 11.6)
-
Step 200
200
#F8CDD0
oklch(88.6% 0.049 13.4)
-
Step 300
300
#F4A9B1
oklch(80.9% 0.089 12.2)
-
Step 400
400
#EA7888
oklch(70.7% 0.141 12.5)
-
Step 500
500
#E04F6A
oklch(63.1% 0.18 12.9)
-
Step 600
600
#CB2A52
oklch(55.6% 0.195 12.9)
-
Step 700
700 (this color)
#A90E3E
oklch(47.3% 0.182 12.7)
-
Step 800
800
#8E1A37
oklch(42.7% 0.15 12.8)
-
Step 900
900
#721E30
oklch(37.6% 0.117 12.4)
-
Step 950
950
#43131C
oklch(26.9% 0.074 12.4)
#A90E3E 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) | #42413E | 0.206 |
| Deuteranopia (no green cones) | #68603A | 0.186 |
| Tritanopia (no blue cones) | #BA0026 | 0.045 |
| Achromatopsia (no color) | #555555 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A90E3E
#A90E3E
oklch(47.3% 0.182 12.7)
- #006A68
#006A68
oklch(47.4% 0.081 192.5)
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 #A90E3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.010
- Raspberry #B00149 ΔE 0.022
- Cranberry #9E003A ΔE 0.028
- Violet Red #A50055 ΔE 0.041
- Berry #990F4B ΔE 0.042
- Purple Red #990147 ΔE 0.043
- Rose Red #BE013C ΔE 0.043
- Brown #A52A2A ΔE 0.045
Use #A90E3E 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.