#A6101E
Closest named color: Carmine (#9D0216). oklch(46.3% 0.179 24.8), rgb(166, 16, 30).
Aa
White text reads best on this color (7.73:1).
About this color
#A6101E is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.179 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.024 away. White text reads best on it, at 7.73:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #A6101E |
| RGB | rgb(166, 16, 30) |
| HSL | hsl(354, 82%, 36%) |
| OKLCH | oklch(46.3% 0.179 24.8) |
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 #A6101E | 7.73:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #A6101E | 2.71:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #A6101E text on white | 7.73:1 | AAA | Lc 84.8 | Fine for body text |
| #A6101E text on black | 2.71:1 | Fails | Lc -17.2 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F8CEC9
oklch(88.6% 0.048 26)
-
Step 300
300
#F4ABA5
oklch(80.9% 0.087 24.4)
-
Step 400
400
#EA7B74
oklch(70.7% 0.138 24.9)
-
Step 500
500
#E05350
oklch(63% 0.177 24.8)
-
Step 600
600
#CC2F34
oklch(55.6% 0.193 24.7)
-
Step 700
700 (this color)
#A6101E
oklch(46.3% 0.179 24.8)
-
Step 800
800
#8F1E21
oklch(42.8% 0.148 25)
-
Step 900
900
#732020
oklch(37.7% 0.116 24.7)
-
Step 950
950
#441513
oklch(27.1% 0.073 25.6)
#A6101E 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) | #463F1C | 0.197 |
| Deuteranopia (no green cones) | #695E17 | 0.179 |
| Tritanopia (no blue cones) | #B70018 | 0.034 |
| Achromatopsia (no color) | #535353 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6101E
#A6101E
oklch(46.3% 0.179 24.8)
- #00656E
#00656E
oklch(46.3% 0.079 205.5)
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 #A6101E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.024
- Auburn #9B2226 ΔE 0.024
- Brown #A52A2A ΔE 0.026
- Rufous #AE2012 ΔE 0.029
- Burnt Red #9F2305 ΔE 0.030
- Rouge #AB1239 ΔE 0.033
- Firebrick #B22222 ΔE 0.034
- Deep Red #9A0200 ΔE 0.034
Use #A6101E 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.