#42170E
Closest named color: Chocolate Brown (#411900). oklch(27% 0.069 33.5), rgb(66, 23, 14).
Aa
White text reads best on this color (15.43:1).
About this color
#42170E is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.069 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.020 away. White text reads best on it, at 15.43:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.36:1 |
| White text | 15.43:1 |
Values
| HEX | #42170E |
| RGB | rgb(66, 23, 14) |
| HSL | hsl(10, 65%, 16%) |
| OKLCH | oklch(27% 0.069 33.5) |
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 #42170E | 15.43:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #42170E | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #42170E text on white | 15.43:1 | AAA | Lc 102.0 | Preferred for body text |
| #42170E 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
#F1AE9E
oklch(81% 0.082 33.9)
-
Step 400
400
#E68069
oklch(70.7% 0.131 33.7)
-
Step 500
500
#DC5B40
oklch(63.2% 0.168 33.5)
-
Step 600
600
#C73A1D
oklch(55.5% 0.182 33.3)
-
Step 700
700
#AC2B0E
oklch(49.2% 0.17 33.4)
-
Step 800
800
#8B2610
oklch(42.6% 0.14 33.6)
-
Step 900
900
#702516
oklch(37.6% 0.11 33.2)
-
Step 950
950 (this color)
#42170E
oklch(27% 0.069 33.5)
#42170E 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) | #231F0D | 0.070 |
| Deuteranopia (no green cones) | #2D280D | 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°).
- #42170E
#42170E
oklch(27% 0.069 33.5)
- #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 #42170E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.020
- Mahogany #4A0100 ΔE 0.038
- Dark Brown #341C02 ΔE 0.040
- Deep Brown #410200 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.053
- Jet #212529 ΔE 0.078
- Dark Plum #3F012C ΔE 0.081
- Burgundy #610023 ΔE 0.082
Use #42170E 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.