#39451B
Closest named color: Dark Olive (#373E02). oklch(36.9% 0.066 122.9), rgb(57, 69, 27).
Aa
White text reads best on this color (10.28:1).
About this color
#39451B is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.066 and its hue 123°. 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 10.28:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #39451B |
| RGB | rgb(57, 69, 27) |
| HSL | hsl(77, 44%, 19%) |
| OKLCH | oklch(36.9% 0.066 122.9) |
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 #39451B | 10.28:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #39451B | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #39451B text on white | 10.28:1 | AAA | Lc 93.8 | Preferred for body text |
| #39451B text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D5DCC9
oklch(88.4% 0.027 123.5)
-
Step 300
300
#BAC6A4
oklch(80.8% 0.048 123.3)
-
Step 400
400
#97A972
oklch(70.7% 0.079 123.1)
-
Step 500
500
#7E934C
oklch(63% 0.1 122.8)
-
Step 600
600
#677D2D
oklch(55.5% 0.109 123)
-
Step 700
700
#566A1F
oklch(49.2% 0.103 123.1)
-
Step 800
800
#46561C
oklch(42.6% 0.084 123.1)
-
Step 900
900 (this color)
#39451B
oklch(36.9% 0.066 122.9)
-
Step 950
950
#232A12
oklch(27.1% 0.042 122.5)
#39451B 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) | #494117 | 0.027 |
| Deuteranopia (no green cones) | #47401E | 0.029 |
| Tritanopia (no blue cones) | #3C423C | 0.054 |
| Achromatopsia (no color) | #404040 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39451B
#39451B
oklch(36.9% 0.066 122.9)
- #46365C
#46365C
oklch(36.8% 0.066 302.6)
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 #39451B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.028
- Pine Green #0A481E ΔE 0.047
- Evergreen #05472A ΔE 0.049
- Navy Green #35530A ΔE 0.052
- Forrest Green #154406 ΔE 0.052
- British Racing Green #05480D ΔE 0.056
- Green Brown #544E03 ΔE 0.057
- Darkgreen #054907 ΔE 0.059
Use #39451B 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.