#A72117
Closest named color: Rufous (#AE2012). oklch(47.4% 0.171 29.4), rgb(167, 33, 23).
Aa
White text reads best on this color (7.30:1).
About this color
#A72117 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.171 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.015 away. White text reads best on it, at 7.30:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #A72117 |
| RGB | rgb(167, 33, 23) |
| HSL | hsl(4, 76%, 37%) |
| OKLCH | oklch(47.4% 0.171 29.4) |
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 #A72117 | 7.30:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #A72117 | 2.87:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #A72117 text on white | 7.30:1 | AAA | Lc 83.8 | Fine for body text |
| #A72117 text on black | 2.87:1 | Fails | Lc -18.2 | 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
#F6CEC8
oklch(88.4% 0.046 28)
-
Step 300
300
#F1ADA2
oklch(80.9% 0.082 29.3)
-
Step 400
400
#E77E6F
oklch(70.6% 0.132 29.3)
-
Step 500
500
#DD5849
oklch(63.1% 0.17 29.1)
-
Step 600
600
#C8372A
oklch(55.5% 0.184 29.4)
-
Step 700
700 (this color)
#A72117
oklch(47.4% 0.171 29.4)
-
Step 800
800
#8C241A
oklch(42.7% 0.141 29.6)
-
Step 900
900
#71241B
oklch(37.8% 0.111 29.8)
-
Step 950
950
#421611
oklch(26.9% 0.07 29)
#A72117 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) | #4C4414 | 0.185 |
| Deuteranopia (no green cones) | #6D610E | 0.167 |
| Tritanopia (no blue cones) | #B90021 | 0.040 |
| Achromatopsia (no color) | #565656 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A72117
#A72117
oklch(47.4% 0.171 29.4)
- #006875
#006875
oklch(47.4% 0.082 209.7)
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 #A72117, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.015
- Rust Red #AA2704 ΔE 0.016
- Brown #A52A2A ΔE 0.017
- Burnt Red #9F2305 ΔE 0.020
- Firebrick #B22222 ΔE 0.025
- Auburn #9B2226 ΔE 0.028
- Brick #A03623 ΔE 0.030
- Rusty Red #AF2F0D ΔE 0.031
Use #A72117 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.