#51300A
Closest named color: Dark Olive (#373E02). oklch(34.3% 0.069 64.6), rgb(81, 48, 10).
Aa
White text reads best on this color (11.81:1).
About this color
#51300A is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.069 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.065 away. White text reads best on it, at 11.81:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.77:1 |
| White text | 11.81:1 |
Values
| HEX | #51300A |
| RGB | rgb(81, 48, 10) |
| HSL | hsl(32, 78%, 18%) |
| OKLCH | oklch(34.3% 0.069 64.6) |
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 #51300A | 11.81:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #51300A | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #51300A text on white | 11.81:1 | AAA | Lc 96.9 | Preferred for body text |
| #51300A text on black | 1.77:1 | 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
#E7D6C6
oklch(88.6% 0.029 65.7)
-
Step 300
300
#D9BA9E
oklch(80.9% 0.052 64.1)
-
Step 400
400
#C59669
oklch(70.7% 0.083 64.6)
-
Step 500
500
#B67B3E
oklch(63.2% 0.107 64.6)
-
Step 600
600
#A16319
oklch(55.6% 0.115 64.7)
-
Step 700
700
#8A5208
oklch(49.2% 0.107 64.8)
-
Step 800
800
#70430E
oklch(42.7% 0.089 64.3)
-
Step 900
900 (this color)
#51300A
oklch(34.3% 0.069 64.6)
-
Step 950
950
#35220E
oklch(27.1% 0.043 65.6)
#51300A 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) | #3A3305 | 0.047 |
| Deuteranopia (no green cones) | #423B0B | 0.042 |
| Tritanopia (no blue cones) | #592829 | 0.053 |
| Achromatopsia (no color) | #373737 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51300A
#51300A
oklch(34.3% 0.069 64.6)
- #133C5A
#133C5A
oklch(34.3% 0.069 244.2)
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 #51300A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.065
- Chestnut #742802 ΔE 0.073
- Mud Brown #60460F ΔE 0.073
- Pakistan Green #283618 ΔE 0.074
- Chocolate Brown #411900 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.081
- Onyx #343A40 ΔE 0.082
Use #51300A 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.