#51330F
Closest named color: Dark Olive (#373E02). oklch(35% 0.066 67.1), rgb(81, 51, 15).
Aa
White text reads best on this color (11.47:1).
About this color
#51330F is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.066 and its hue 67°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.061 away. White text reads best on it, at 11.47:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.83:1 |
| White text | 11.47:1 |
Values
| HEX | #51330F |
| RGB | rgb(81, 51, 15) |
| HSL | hsl(33, 69%, 19%) |
| OKLCH | oklch(35% 0.066 67.1) |
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 #51330F | 11.47:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #51330F | 1.83:1 | Fails | Lc 7.6 | Not readable |
| #51330F text on white | 11.47:1 | AAA | Lc 96.2 | Preferred for body text |
| #51330F text on black | 1.83:1 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E6D6C7
oklch(88.5% 0.027 65.6)
-
Step 300
300
#D7BB9F
oklch(80.9% 0.05 67)
-
Step 400
400
#C2976B
oklch(70.6% 0.079 66.6)
-
Step 500
500
#B27D42
oklch(63.1% 0.1 67.1)
-
Step 600
600
#9D651F
oklch(55.5% 0.109 67.2)
-
Step 700
700
#865410
oklch(49.1% 0.101 67.8)
-
Step 800
800
#6D4512
oklch(42.7% 0.084 67.7)
-
Step 900
900 (this color)
#51330F
oklch(35% 0.066 67.1)
-
Step 950
950
#34220F
oklch(27% 0.041 66)
#51330F 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) | #3D350A | 0.040 |
| Deuteranopia (no green cones) | #443C10 | 0.035 |
| Tritanopia (no blue cones) | #592C2C | 0.052 |
| Achromatopsia (no color) | #393939 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51330F
#51330F
oklch(35% 0.066 67.1)
- #1B3D5B
#1B3D5B
oklch(35% 0.066 247.6)
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 #51330F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.061
- Mud Brown #60460F ΔE 0.066
- Chestnut #742802 ΔE 0.073
- Pakistan Green #283618 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.074
- Onyx #343A40 ΔE 0.079
- Purple Brown #673A3F ΔE 0.081
- Chocolate Brown #411900 ΔE 0.083
Use #51330F 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.