#423D09
Closest named color: Dark Olive (#373E02). oklch(35.5% 0.069 103.6), rgb(66, 61, 9).
Aa
White text reads best on this color (11.03:1).
About this color
#423D09 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.069 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.03:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #423D09 |
| RGB | rgb(66, 61, 9) |
| HSL | hsl(55, 76%, 15%) |
| OKLCH | oklch(35.5% 0.069 103.6) |
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 #423D09 | 11.03:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #423D09 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #423D09 text on white | 11.03:1 | AAA | Lc 95.4 | Preferred for body text |
| #423D09 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
#EBEADF
oklch(93.5% 0.015 102.5)
-
Step 200
200
#DCDAC5
oklch(88.4% 0.028 102.5)
-
Step 300
300
#C6C39D
oklch(81% 0.051 103.7)
-
Step 400
400
#A9A366
oklch(70.6% 0.082 103.4)
-
Step 500
500
#948C39
oklch(63% 0.105 103.8)
-
Step 600
600
#7F760B
oklch(55.7% 0.114 104)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585104
oklch(42.8% 0.088 103.6)
-
Step 900
900 (this color)
#423D09
oklch(35.5% 0.069 103.6)
-
Step 950
950
#2A270C
oklch(26.9% 0.043 103)
#423D09 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) | #433B01 | 0.007 |
| Deuteranopia (no green cones) | #453D0D | 0.007 |
| Tritanopia (no blue cones) | #483833 | 0.063 |
| Achromatopsia (no color) | #3C3C3C | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423D09
#423D09
oklch(35.5% 0.069 103.6)
- #37365E
#37365E
oklch(35.4% 0.069 283.4)
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 #423D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Pakistan Green #283618 ΔE 0.053
- Forrest Green #154406 ΔE 0.063
- Mud Brown #60460F ΔE 0.065
- Green Brown #544E03 ΔE 0.065
- Pine Green #0A481E ΔE 0.066
- Evergreen #05472A ΔE 0.068
- Hunter Green #0B4008 ΔE 0.070
Use #423D09 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.