#423913
Closest named color: Dark Olive (#373E02). oklch(34.5% 0.056 96), rgb(66, 57, 19).
Aa
White text reads best on this color (11.49:1).
About this color
#423913 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.056 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.032 away. White text reads best on it, at 11.49:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.82:1 |
| White text | 11.49:1 |
Values
| HEX | #423913 |
| RGB | rgb(66, 57, 19) |
| HSL | hsl(49, 55%, 17%) |
| OKLCH | oklch(34.5% 0.056 96) |
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 #423913 | 11.49:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #423913 | 1.82:1 | Fails | Lc 7.5 | Not readable |
| #423913 text on white | 11.49:1 | AAA | Lc 96.4 | Preferred for body text |
| #423913 text on black | 1.82:1 | 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
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDD9C8
oklch(88.4% 0.023 96)
-
Step 300
300
#C8C1A2
oklch(80.8% 0.043 96.7)
-
Step 400
400
#ADA170
oklch(70.7% 0.068 96)
-
Step 500
500
#998949
oklch(63% 0.086 95.7)
-
Step 600
600
#84732A
oklch(55.7% 0.094 96)
-
Step 700
700
#70601D
oklch(49.1% 0.087 95.4)
-
Step 800
800
#5B4F1A
oklch(42.8% 0.073 96.4)
-
Step 900
900 (this color)
#423913
oklch(34.5% 0.056 96)
-
Step 950
950
#2C2611
oklch(26.9% 0.036 93.9)
#423913 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) | #3F380F | 0.008 |
| Deuteranopia (no green cones) | #423B15 | 0.006 |
| Tritanopia (no blue cones) | #483431 | 0.053 |
| Achromatopsia (no color) | #393939 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423913
#423913
oklch(34.5% 0.056 96)
- #313656
#313656
oklch(34.4% 0.056 276.2)
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 #423913, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.032
- Pakistan Green #283618 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.065
- Onyx #343A40 ΔE 0.068
- Mud Brown #60460F ΔE 0.072
- Evergreen #05472A ΔE 0.073
- Forrest Green #154406 ΔE 0.073
- Pine Green #0A481E ΔE 0.074
Use #423913 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.