#42270A
Closest named color: Chocolate Brown (#411900). oklch(30.1% 0.058 63.8), rgb(66, 39, 10).
Aa
White text reads best on this color (13.75:1).
About this color
#42270A is a dark, muted brown. In OKLCH its lightness is 30%, its chroma 0.058 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.038 away. White text reads best on it, at 13.75:1.
| Hue family | Browns |
| Lightness | dark (30%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.52:1 |
| White text | 13.75:1 |
Values
| HEX | #42270A |
| RGB | rgb(66, 39, 10) |
| HSL | hsl(31, 74%, 15%) |
| OKLCH | oklch(30.1% 0.058 63.8) |
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 #42270A | 13.75:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #42270A | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #42270A text on white | 13.75:1 | AAA | Lc 100.2 | Preferred for body text |
| #42270A text on black | 1.52:1 | 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
#FAF4EF
oklch(97% 0.009 62.6)
-
Step 100
100
#F4E7DD
oklch(93.6% 0.02 60.2)
-
Step 200
200
#ECD4C0
oklch(88.4% 0.038 62.1)
-
Step 300
300
#E1B893
oklch(81% 0.069 63.7)
-
Step 400
400
#D09153
oklch(70.6% 0.11 64)
-
Step 500
500
#C3740B
oklch(63.2% 0.14 63.9)
-
Step 600
600
#A56000
oklch(55.5% 0.126 63.7)
-
Step 700
700
#8B5000
oklch(49% 0.111 63.7)
-
Step 800
800
#734100
oklch(42.7% 0.097 63.4)
-
Step 900
900
#603600
oklch(37.7% 0.085 64.2)
-
Step 950
950 (this color)
#42270A
oklch(30.1% 0.058 63.8)
#42270A 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) | #302907 | 0.038 |
| Deuteranopia (no green cones) | #36300A | 0.036 |
| Tritanopia (no blue cones) | #492121 | 0.043 |
| Achromatopsia (no color) | #2D2D2D | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42270A
#42270A
oklch(30.1% 0.058 63.8)
- #103149
#103149
oklch(30.2% 0.058 243.6)
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 #42270A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.038
- Dark Brown #341C02 ΔE 0.048
- Pakistan Green #283618 ΔE 0.061
- Dark Olive #373E02 ΔE 0.077
- Jet #212529 ΔE 0.078
- Mahogany #4A0100 ΔE 0.078
- Onyx #343A40 ΔE 0.084
- Deep Brown #410200 ΔE 0.084
Use #42270A 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.