#42170F
Closest named color: Chocolate Brown (#411900). oklch(27% 0.069 32.4), rgb(66, 23, 15).
Aa
White text reads best on this color (15.42:1).
About this color
#42170F is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.069 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.021 away. White text reads best on it, at 15.42:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.36:1 |
| White text | 15.42:1 |
Values
| HEX | #42170F |
| RGB | rgb(66, 23, 15) |
| HSL | hsl(9, 63%, 16%) |
| OKLCH | oklch(27% 0.069 32.4) |
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 #42170F | 15.42:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #42170F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #42170F text on white | 15.42:1 | AAA | Lc 102.0 | Preferred for body text |
| #42170F text on black | 1.36:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F6CFC6
oklch(88.5% 0.046 33.2)
-
Step 300
300
#F1AE9F
oklch(81% 0.082 33)
-
Step 400
400
#E6806B
oklch(70.7% 0.13 32.7)
-
Step 500
500
#DC5A43
oklch(63.1% 0.168 32.1)
-
Step 600
600
#C73A21
oklch(55.5% 0.182 32.4)
-
Step 700
700
#AC2B14
oklch(49.2% 0.169 32.3)
-
Step 800
800
#8B2614
oklch(42.7% 0.139 32.4)
-
Step 900
900
#702518
oklch(37.7% 0.109 32.1)
-
Step 950
950 (this color)
#42170F
oklch(27% 0.069 32.4)
#42170F 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) | #221F0E | 0.071 |
| Deuteranopia (no green cones) | #2D280E | 0.065 |
| Tritanopia (no blue cones) | #490E15 | 0.027 |
| Achromatopsia (no color) | #242424 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42170F
#42170F
oklch(27% 0.069 32.4)
- #002C34
#002C34
oklch(26.9% 0.047 213.2)
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 #42170F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.021
- Mahogany #4A0100 ΔE 0.038
- Dark Brown #341C02 ΔE 0.040
- Deep Brown #410200 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.052
- Jet #212529 ΔE 0.077
- Dark Plum #3F012C ΔE 0.080
- Burgundy #610023 ΔE 0.081
Use #42170F 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.