#42401A
Closest named color: Dark Olive (#373E02). oklch(36.4% 0.057 106.1), rgb(66, 64, 26).
Aa
White text reads best on this color (10.60:1).
About this color
#42401A is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.057 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.031 away. White text reads best on it, at 10.60:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.97:1 |
| White text | 10.60:1 |
Values
| HEX | #42401A |
| RGB | rgb(66, 64, 26) |
| HSL | hsl(57, 43%, 18%) |
| OKLCH | oklch(36.4% 0.057 106.1) |
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 #42401A | 10.60:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #42401A | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #42401A text on white | 10.60:1 | AAA | Lc 94.6 | Preferred for body text |
| #42401A text on black | 1.97:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DBDAC9
oklch(88.5% 0.023 104.1)
-
Step 300
300
#C4C3A4
oklch(81% 0.042 105.8)
-
Step 400
400
#A6A472
oklch(70.8% 0.068 106.1)
-
Step 500
500
#908D4C
oklch(63.1% 0.087 106.3)
-
Step 600
600
#7B772E
oklch(55.8% 0.095 106.1)
-
Step 700
700
#676420
oklch(49.2% 0.088 106.8)
-
Step 800
800
#54511D
oklch(42.6% 0.072 106)
-
Step 900
900 (this color)
#42401A
oklch(36.4% 0.057 106.1)
-
Step 950
950
#292812
oklch(27.2% 0.037 106.3)
#42401A 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) | #453E16 | 0.007 |
| Deuteranopia (no green cones) | #463F1C | 0.009 |
| Tritanopia (no blue cones) | #473C37 | 0.050 |
| Achromatopsia (no color) | #3F3F3F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42401A
#42401A
oklch(36.4% 0.057 106.1)
- #3C3A5B
#3C3A5B
oklch(36.6% 0.056 286)
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 #42401A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.031
- Pakistan Green #283618 ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.059
- Mud Brown #60460F ΔE 0.059
- Green Brown #544E03 ΔE 0.061
- Evergreen #05472A ΔE 0.064
- Pine Green #0A481E ΔE 0.065
- Forrest Green #154406 ΔE 0.067
Use #42401A 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.