#312503
Closest named color: Dark Brown (#341C02). oklch(27.1% 0.052 88.8), rgb(49, 37, 3).
Aa
White text reads best on this color (15.03:1).
About this color
#312503 is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.052 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.028 away. White text reads best on it, at 15.03:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.39:1 |
| White text | 15.03:1 |
Values
| HEX | #312503 |
| RGB | rgb(49, 37, 3) |
| HSL | hsl(44, 88%, 10%) |
| OKLCH | oklch(27.1% 0.052 88.8) |
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 #312503 | 15.03:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #312503 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #312503 text on white | 15.03:1 | AAA | Lc 101.8 | Preferred for body text |
| #312503 text on black | 1.39:1 | 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 950.
-
Step 50
50
#F8F5EF
oklch(97.1% 0.009 84.6)
-
Step 100
100
#EFE9DD
oklch(93.5% 0.017 84.6)
-
Step 200
200
#E2D8C0
oklch(88.4% 0.034 88.1)
-
Step 300
300
#D1BF93
oklch(80.9% 0.062 88.4)
-
Step 400
400
#B99D54
oklch(70.6% 0.098 88.8)
-
Step 500
500
#A8840E
oklch(63% 0.126 88.7)
-
Step 600
600
#8E6F00
oklch(55.6% 0.114 89.2)
-
Step 700
700
#785D00
oklch(49.2% 0.101 88.9)
-
Step 800
800
#624C00
oklch(42.8% 0.087 89.5)
-
Step 900
900
#523F00
oklch(37.8% 0.077 89.3)
-
Step 950
950 (this color)
#312503
oklch(27.1% 0.052 88.8)
#312503 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) | #2B2500 | 0.014 |
| Deuteranopia (no green cones) | #2E2804 | 0.011 |
| Tritanopia (no blue cones) | #36211E | 0.046 |
| Achromatopsia (no color) | #262626 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312503
#312503
oklch(27.1% 0.052 88.8)
- #1C2540
#1C2540
oklch(27.1% 0.052 268.8)
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 #312503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.028
- Chocolate Brown #411900 ΔE 0.046
- Pakistan Green #283618 ΔE 0.055
- Jet #212529 ΔE 0.062
- Very Dark Green #062E03 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.070
- Dark #1B2431 ΔE 0.081
- Dark Olive #373E02 ΔE 0.084
Use #312503 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.