#503B2F
Closest named color: Charcoal Grey (#3C4142). oklch(37.2% 0.036 51), rgb(80, 59, 47).
Aa
White text reads best on this color (10.45:1).
About this color
#503B2F is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.036 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.042 away. White text reads best on it, at 10.45:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #503B2F |
| RGB | rgb(80, 59, 47) |
| HSL | hsl(22, 26%, 25%) |
| OKLCH | oklch(37.2% 0.036 51) |
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 #503B2F | 10.45:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #503B2F | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #503B2F text on white | 10.45:1 | AAA | Lc 94.2 | Preferred for body text |
| #503B2F text on black | 2.00:1 | Fails | Lc -8.3 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE8E5
oklch(93.5% 0.008 48.7)
-
Step 200
200
#E2D7D0
oklch(88.6% 0.015 54.9)
-
Step 300
300
#D0BCB1
oklch(80.9% 0.028 50.8)
-
Step 400
400
#B79A89
oklch(70.8% 0.042 52.1)
-
Step 500
500
#A5806B
oklch(63% 0.055 51)
-
Step 600
600
#906953
oklch(55.5% 0.06 50.5)
-
Step 700
700
#7B5844
oklch(49.2% 0.056 50.8)
-
Step 800
800
#644838
oklch(42.8% 0.046 50.8)
-
Step 900
900 (this color)
#503B2F
oklch(37.2% 0.036 51)
-
Step 950
950
#30231C
oklch(26.9% 0.024 49.6)
#503B2F 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) | #413D2E | 0.028 |
| Deuteranopia (no green cones) | #46412F | 0.025 |
| Tritanopia (no blue cones) | #563738 | 0.025 |
| Achromatopsia (no color) | #3F3F3F | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B2F
#503B2F
oklch(37.2% 0.036 51)
- #2C4450
#2C4450
oklch(37.2% 0.036 230.6)
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 #503B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Purple Brown #673A3F ΔE 0.053
- Onyx #343A40 ΔE 0.056
- Mud Brown #60460F ΔE 0.064
- Dark Olive #373E02 ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.077
- Charcoal #264653 ΔE 0.080
- Chestnut #742802 ΔE 0.082
Use #503B2F 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.