#A91E3E
Closest named color: Rouge (#AB1239). oklch(48.2% 0.173 14.7), rgb(169, 30, 62).
Aa
White text reads best on this color (7.13:1).
About this color
#A91E3E is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.173 and its hue 15°. 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 7.13:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #A91E3E |
| RGB | rgb(169, 30, 62) |
| HSL | hsl(346, 70%, 39%) |
| OKLCH | oklch(48.2% 0.173 14.7) |
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 #A91E3E | 7.13:1 | AAA | Lc -88.2 | Fine for body text |
| Black text on #A91E3E | 2.94:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #A91E3E text on white | 7.13:1 | AAA | Lc 83.2 | Fine for body text |
| #A91E3E text on black | 2.94:1 | Fails | Lc -18.8 | 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
#FAE4E5
oklch(93.7% 0.024 14.4)
-
Step 200
200
#F6CDCF
oklch(88.4% 0.046 14.8)
-
Step 300
300
#F2ABB0
oklch(81% 0.084 14.4)
-
Step 400
400
#E77B86
oklch(70.7% 0.133 14.7)
-
Step 500
500
#DD5468
oklch(63.2% 0.171 14.8)
-
Step 600
600
#C83250
oklch(55.6% 0.185 14.6)
-
Step 700
700 (this color)
#A91E3E
oklch(48.2% 0.173 14.7)
-
Step 800
800
#8C2035
oklch(42.8% 0.143 15)
-
Step 900
900
#71212E
oklch(37.7% 0.112 14.9)
-
Step 950
950
#42151B
oklch(27% 0.07 15.1)
#A91E3E 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) | #48463E | 0.192 |
| Deuteranopia (no green cones) | #6B623A | 0.175 |
| Tritanopia (no blue cones) | #BA002C | 0.038 |
| Achromatopsia (no color) | #585858 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91E3E
#A91E3E
oklch(48.2% 0.173 14.7)
- #006C6C
#006C6C
oklch(48.1% 0.082 194.8)
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 #A91E3E, 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 0.029
- Brown #A52A2A ΔE 0.034
- Cranberry #9E003A ΔE 0.037
- Firebrick #B22222 ΔE 0.041
- Rose Red #BE013C ΔE 0.042
- Auburn #9B2226 ΔE 0.042
- Lipstick Red #C0022F ΔE 0.048
Use #A91E3E 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.