#423D13
Closest named color: Dark Olive (#373E02). oklch(35.5% 0.06 102.5), rgb(66, 61, 19).
Aa
White text reads best on this color (11.00:1).
About this color
#423D13 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 11.00:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #423D13 |
| RGB | rgb(66, 61, 19) |
| HSL | hsl(54, 55%, 17%) |
| OKLCH | oklch(35.5% 0.06 102.5) |
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 #423D13 | 11.00:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #423D13 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #423D13 text on white | 11.00:1 | AAA | Lc 95.4 | Preferred for body text |
| #423D13 text on black | 1.90:1 | 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 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
#DCDAC7
oklch(88.5% 0.026 102)
-
Step 300
300
#C6C2A1
oklch(80.9% 0.045 101.6)
-
Step 400
400
#A9A36D
oklch(70.7% 0.073 102.7)
-
Step 500
500
#948C45
oklch(63.2% 0.093 102.9)
-
Step 600
600
#7F7524
oklch(55.6% 0.1 102.2)
-
Step 700
700
#6B6216
oklch(49% 0.093 102.3)
-
Step 800
800
#575016
oklch(42.6% 0.077 102.3)
-
Step 900
900 (this color)
#423D13
oklch(35.5% 0.06 102.5)
-
Step 950
950
#2A2710
oklch(27% 0.038 101.9)
#423D13 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) | #433B0E | 0.006 |
| Deuteranopia (no green cones) | #453D15 | 0.006 |
| Tritanopia (no blue cones) | #473834 | 0.056 |
| Achromatopsia (no color) | #3C3C3C | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423D13
#423D13
oklch(35.5% 0.06 102.5)
- #37385B
#37385B
oklch(35.6% 0.06 281.6)
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 #423D13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Pakistan Green #283618 ΔE 0.052
- Mud Brown #60460F ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.065
- Green Brown #544E03 ΔE 0.067
- Forrest Green #154406 ΔE 0.067
- Pine Green #0A481E ΔE 0.067
- Evergreen #05472A ΔE 0.067
Use #423D13 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.