#3A370A
Closest named color: Dark Olive (#373E02). oklch(33% 0.062 105.5), rgb(58, 55, 10).
Aa
White text reads best on this color (12.13:1).
About this color
#3A370A is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.062 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 12.13:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.73:1 |
| White text | 12.13:1 |
Values
| HEX | #3A370A |
| RGB | rgb(58, 55, 10) |
| HSL | hsl(56, 71%, 13%) |
| OKLCH | oklch(33% 0.062 105.5) |
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 #3A370A | 12.13:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #3A370A | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #3A370A text on white | 12.13:1 | AAA | Lc 97.7 | Preferred for body text |
| #3A370A text on black | 1.73:1 | 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
#EBEBE0
oklch(93.7% 0.015 106.7)
-
Step 200
200
#DBDAC7
oklch(88.4% 0.026 104.5)
-
Step 300
300
#C4C3A0
oklch(80.9% 0.047 106.1)
-
Step 400
400
#A7A46C
oklch(70.8% 0.076 105.6)
-
Step 500
500
#928D44
oklch(63.2% 0.095 105.3)
-
Step 600
600
#7C7622
oklch(55.5% 0.103 105.2)
-
Step 700
700
#696313
oklch(49% 0.096 104.9)
-
Step 800
800
#555114
oklch(42.6% 0.08 105.6)
-
Step 900
900 (this color)
#3A370A
oklch(33% 0.062 105.5)
-
Step 950
950
#29280F
oklch(27.1% 0.041 106.7)
#3A370A 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) | #3D3504 | 0.008 |
| Deuteranopia (no green cones) | #3E370D | 0.008 |
| Tritanopia (no blue cones) | #3F332E | 0.056 |
| Achromatopsia (no color) | #363636 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A370A
#3A370A
oklch(33% 0.062 105.5)
- #333054
#333054
oklch(33% 0.063 286.2)
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 #3A370A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Pakistan Green #283618 ΔE 0.032
- Hunter Green #0B4008 ΔE 0.063
- Forrest Green #154406 ΔE 0.063
- Evergreen #05472A ΔE 0.068
- Pine Green #0A481E ΔE 0.068
- British Racing Green #05480D ΔE 0.074
- Onyx #343A40 ΔE 0.075
Use #3A370A 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.