#A91A2F
Closest named color: Rouge (#AB1239). oklch(47.6% 0.175 20.5), rgb(169, 26, 47).
Aa
White text reads best on this color (7.30:1).
About this color
#A91A2F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.175 and its hue 20°. 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 7.30:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #A91A2F |
| RGB | rgb(169, 26, 47) |
| HSL | hsl(351, 73%, 38%) |
| OKLCH | oklch(47.6% 0.175 20.5) |
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 #A91A2F | 7.30:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #A91A2F | 2.87:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #A91A2F text on white | 7.30:1 | AAA | Lc 83.6 | Fine for body text |
| #A91A2F text on black | 2.87:1 | Fails | Lc -18.3 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F7CDCC
oklch(88.4% 0.048 19.7)
-
Step 300
300
#F3ABA9
oklch(80.9% 0.085 20.9)
-
Step 400
400
#E97B7C
oklch(70.7% 0.136 20.5)
-
Step 500
500
#DF545B
oklch(63.2% 0.174 20.6)
-
Step 600
600
#CA3141
oklch(55.6% 0.188 20.6)
-
Step 700
700 (this color)
#A91A2F
oklch(47.6% 0.175 20.5)
-
Step 800
800
#8D1F2B
oklch(42.6% 0.145 20.4)
-
Step 900
900
#722127
oklch(37.8% 0.113 20.3)
-
Step 950
950
#431517
oklch(27% 0.071 20.7)
#A91A2F 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) | #48432E | 0.195 |
| Deuteranopia (no green cones) | #6B612A | 0.177 |
| Tritanopia (no blue cones) | #BA0024 | 0.035 |
| Achromatopsia (no color) | #565656 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91A2F
#A91A2F
oklch(47.6% 0.175 20.5)
- #006A6F
#006A6F
oklch(47.7% 0.081 200.5)
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 #A91A2F, 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 0.022
- Firebrick #B22222 ΔE 0.029
- Auburn #9B2226 ΔE 0.031
- Rufous #AE2012 ΔE 0.032
- Carmine #9D0216 ΔE 0.040
- Cranberry #9E003A ΔE 0.041
- Rust Red #AA2704 ΔE 0.041
Use #A91A2F 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.