#4F370D
Closest named color: Dark Olive (#373E02). oklch(35.6% 0.065 77.2), rgb(79, 55, 13).
Aa
White text reads best on this color (11.14:1).
About this color
#4F370D is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.065 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.051 away. White text reads best on it, at 11.14:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.88:1 |
| White text | 11.14:1 |
Values
| HEX | #4F370D |
| RGB | rgb(79, 55, 13) |
| HSL | hsl(38, 72%, 18%) |
| OKLCH | oklch(35.6% 0.065 77.2) |
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 #4F370D | 11.14:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #4F370D | 1.88:1 | Fails | Lc 8.3 | Not readable |
| #4F370D text on white | 11.14:1 | AAA | Lc 95.6 | Preferred for body text |
| #4F370D text on black | 1.88:1 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C6
oklch(88.4% 0.026 76.8)
-
Step 300
300
#D3BD9E
oklch(80.9% 0.049 76.4)
-
Step 400
400
#BC9B68
oklch(70.8% 0.078 77.8)
-
Step 500
500
#AB813D
oklch(63.1% 0.1 77.2)
-
Step 600
600
#976A15
oklch(55.7% 0.109 77.3)
-
Step 700
700
#805804
oklch(49.1% 0.101 77.6)
-
Step 800
800
#68480B
oklch(42.7% 0.084 77.5)
-
Step 900
900 (this color)
#4F370D
oklch(35.6% 0.065 77.2)
-
Step 950
950
#32240D
oklch(27.1% 0.042 77.8)
#4F370D 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) | #403807 | 0.030 |
| Deuteranopia (no green cones) | #463E0F | 0.026 |
| Tritanopia (no blue cones) | #57302F | 0.057 |
| Achromatopsia (no color) | #3B3B3B | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F370D
#4F370D
oklch(35.6% 0.065 77.2)
- #253D5E
#253D5E
oklch(35.7% 0.065 256.6)
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 #4F370D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.051
- Mud Brown #60460F ΔE 0.058
- Pakistan Green #283618 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.072
- Green Brown #544E03 ΔE 0.073
- Chestnut #742802 ΔE 0.079
- Onyx #343A40 ΔE 0.079
- Purple Brown #673A3F ΔE 0.084
Use #4F370D 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.