#423710
Closest named color: Dark Olive (#373E02). oklch(34% 0.057 93.2), rgb(66, 55, 16).
Aa
White text reads best on this color (11.76:1).
About this color
#423710 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.057 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.035 away. White text reads best on it, at 11.76:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.78:1 |
| White text | 11.76:1 |
Values
| HEX | #423710 |
| RGB | rgb(66, 55, 16) |
| HSL | hsl(47, 61%, 16%) |
| OKLCH | oklch(34% 0.057 93.2) |
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 #423710 | 11.76:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #423710 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #423710 text on white | 11.76:1 | AAA | Lc 96.9 | Preferred for body text |
| #423710 text on black | 1.78:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DED9C8
oklch(88.5% 0.024 93.4)
-
Step 300
300
#CAC1A2
oklch(81% 0.043 93.7)
-
Step 400
400
#AFA06F
oklch(70.7% 0.068 93.1)
-
Step 500
500
#9C8847
oklch(63.1% 0.088 92.6)
-
Step 600
600
#867227
oklch(55.6% 0.096 93.9)
-
Step 700
700
#725F1A
oklch(49.1% 0.089 93)
-
Step 800
800
#5D4E18
oklch(42.8% 0.074 93.3)
-
Step 900
900 (this color)
#423710
oklch(34% 0.057 93.2)
-
Step 950
950
#2C2611
oklch(26.9% 0.036 93.9)
#423710 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) | #3E360B | 0.010 |
| Deuteranopia (no green cones) | #403912 | 0.007 |
| Tritanopia (no blue cones) | #48322F | 0.053 |
| Achromatopsia (no color) | #383838 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423710
#423710
oklch(34% 0.057 93.2)
- #2E3556
#2E3556
oklch(33.9% 0.059 273.8)
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 #423710, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.035
- Pakistan Green #283618 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.070
- Forrest Green #154406 ΔE 0.075
- Mud Brown #60460F ΔE 0.076
- Evergreen #05472A ΔE 0.076
- Hunter Green #0B4008 ΔE 0.077
Use #423710 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.