#42440A
Closest named color: Dark Olive (#373E02). oklch(37.3% 0.076 111.6), rgb(66, 68, 10).
Aa
White text reads best on this color (10.17:1).
About this color
#42440A is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.076 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.028 away. White text reads best on it, at 10.17:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.06:1 |
| White text | 10.17:1 |
Values
| HEX | #42440A |
| RGB | rgb(66, 68, 10) |
| HSL | hsl(62, 74%, 15%) |
| OKLCH | oklch(37.3% 0.076 111.6) |
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 #42440A | 10.17:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #42440A | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #42440A text on white | 10.17:1 | AAA | Lc 93.5 | Preferred for body text |
| #42440A text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#D9DCC4
oklch(88.6% 0.032 112.8)
-
Step 300
300
#C1C59B
oklch(80.9% 0.057 112.1)
-
Step 400
400
#A2A662
oklch(70.6% 0.091 111.4)
-
Step 500
500
#8C9032
oklch(63.1% 0.116 111.6)
-
Step 600
600
#767900
oklch(55.5% 0.122 111.5)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900 (this color)
#42440A
oklch(37.3% 0.076 111.6)
-
Step 950
950
#27290A
oklch(27.1% 0.048 112.7)
#42440A 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) | #4A4001 | 0.017 |
| Deuteranopia (no green cones) | #4A420F | 0.016 |
| Tritanopia (no blue cones) | #473F39 | 0.068 |
| Achromatopsia (no color) | #414141 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42440A
#42440A
oklch(37.3% 0.076 111.6)
- #413865
#413865
oklch(37.2% 0.076 291.5)
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 #42440A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.028
- Green Brown #544E03 ΔE 0.046
- Navy Green #35530A ΔE 0.050
- Mud Brown #60460F ΔE 0.056
- Pine Green #0A481E ΔE 0.060
- Forrest Green #154406 ΔE 0.060
- Evergreen #05472A ΔE 0.065
- British Racing Green #05480D ΔE 0.065
Use #42440A 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.