#A01930
Closest named color: Auburn (#9B2226). oklch(45.9% 0.168 18.9), rgb(160, 25, 48).
Aa
White text reads best on this color (7.84:1).
About this color
#A01930 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.168 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.020 away. White text reads best on it, at 7.84:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #A01930 |
| RGB | rgb(160, 25, 48) |
| HSL | hsl(350, 73%, 36%) |
| OKLCH | oklch(45.9% 0.168 18.9) |
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 #A01930 | 7.84:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #A01930 | 2.67:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #A01930 text on white | 7.84:1 | AAA | Lc 85.6 | Fine for body text |
| #A01930 text on black | 2.67:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FBCBCB
oklch(88.4% 0.055 18.2)
-
Step 300
300
#FAA7A8
oklch(81% 0.098 18.7)
-
Step 400
400
#F27379
oklch(70.7% 0.156 19)
-
Step 500
500
#E94557
oklch(63.1% 0.2 19.1)
-
Step 600
600
#D50F3D
oklch(55.7% 0.218 18.9)
-
Step 700
700
#B60031
oklch(49.2% 0.197 18.8)
-
Step 800
800 (this color)
#A01930
oklch(45.9% 0.168 18.9)
-
Step 900
900
#781624
oklch(37.7% 0.131 19.1)
-
Step 950
950
#471016
oklch(27.1% 0.083 18.6)
#A01930 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) | #444030 | 0.186 |
| Deuteranopia (no green cones) | #655C2C | 0.170 |
| Tritanopia (no blue cones) | #B00024 | 0.034 |
| Achromatopsia (no color) | #525252 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A01930
#A01930
oklch(45.9% 0.168 18.9)
- #006568
#006568
oklch(46% 0.078 198.4)
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 #A01930, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.020
- Rouge #AB1239 ΔE 0.026
- Cranberry #9E003A ΔE 0.028
- Carmine #9D0216 ΔE 0.029
- Brown #A52A2A ΔE 0.030
- Burnt Red #9F2305 ΔE 0.042
- Deep Red #9A0200 ΔE 0.042
- Blood Red #980002 ΔE 0.044
Use #A01930 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.