#A50F17
Closest named color: Carmine (#9D0216). oklch(46% 0.179 26.6), rgb(165, 15, 23).
Aa
White text reads best on this color (7.83:1).
About this color
#A50F17 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.179 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.021 away. White text reads best on it, at 7.83:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #A50F17 |
| RGB | rgb(165, 15, 23) |
| HSL | hsl(357, 83%, 35%) |
| OKLCH | oklch(46% 0.179 26.6) |
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 #A50F17 | 7.83:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #A50F17 | 2.68:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #A50F17 text on white | 7.83:1 | AAA | Lc 85.1 | Fine for body text |
| #A50F17 text on black | 2.68:1 | Fails | Lc -16.9 | 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
#F8CEC8
oklch(88.6% 0.048 27.6)
-
Step 300
300
#F4ABA3
oklch(80.9% 0.087 26.1)
-
Step 400
400
#EA7B71
oklch(70.6% 0.139 26.5)
-
Step 500
500
#E0544C
oklch(63.1% 0.176 26.6)
-
Step 600
600
#CC302E
oklch(55.6% 0.193 26.7)
-
Step 700
700 (this color)
#A50F17
oklch(46% 0.179 26.6)
-
Step 800
800
#8F1E1D
oklch(42.7% 0.149 26.6)
-
Step 900
900
#73211D
oklch(37.8% 0.116 27)
-
Step 950
950
#441512
oklch(27.1% 0.073 26.7)
#A50F17 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) | #463E15 | 0.196 |
| Deuteranopia (no green cones) | #695D0D | 0.178 |
| Tritanopia (no blue cones) | #B60015 | 0.035 |
| Achromatopsia (no color) | #525252 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A50F17
#A50F17
oklch(46% 0.179 26.6)
- #00646E
#00646E
oklch(46% 0.079 206.7)
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 #A50F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.021
- Auburn #9B2226 ΔE 0.024
- Burnt Red #9F2305 ΔE 0.026
- Brown #A52A2A ΔE 0.029
- Rufous #AE2012 ΔE 0.029
- Deep Red #9A0200 ΔE 0.030
- Rust Red #AA2704 ΔE 0.034
- Blood Red #980002 ΔE 0.034
Use #A50F17 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.