#503B27
Closest named color: Charcoal Grey (#3C4142). oklch(37% 0.043 64.4), rgb(80, 59, 39).
Aa
White text reads best on this color (10.52:1).
About this color
#503B27 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.043 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.049 away. White text reads best on it, at 10.52:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #503B27 |
| RGB | rgb(80, 59, 39) |
| HSL | hsl(29, 34%, 23%) |
| OKLCH | oklch(37% 0.043 64.4) |
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 #503B27 | 10.52:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #503B27 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #503B27 text on white | 10.52:1 | AAA | Lc 94.4 | Preferred for body text |
| #503B27 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EEE9E3
oklch(93.6% 0.01 72.7)
-
Step 200
200
#E2D7CD
oklch(88.5% 0.018 64.9)
-
Step 300
300
#D0BDAB
oklch(80.9% 0.033 65.8)
-
Step 400
400
#B89A7F
oklch(70.6% 0.052 63.8)
-
Step 500
500
#A6815F
oklch(63% 0.066 63.8)
-
Step 600
600
#916A45
oklch(55.5% 0.072 63.9)
-
Step 700
700
#7B5836
oklch(48.9% 0.067 64.3)
-
Step 800
800
#64482D
oklch(42.5% 0.056 64.4)
-
Step 900
900 (this color)
#503B27
oklch(37% 0.043 64.4)
-
Step 950
950
#302418
oklch(27.1% 0.028 66.2)
#503B27 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) | #423C25 | 0.026 |
| Deuteranopia (no green cones) | #474127 | 0.024 |
| Tritanopia (no blue cones) | #563636 | 0.034 |
| Achromatopsia (no color) | #3F3F3F | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B27
#503B27
oklch(37% 0.043 64.4)
- #2C4255
#2C4255
oklch(36.9% 0.043 245.4)
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 #503B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.049
- Mud Brown #60460F ΔE 0.056
- Purple Brown #673A3F ΔE 0.061
- Onyx #343A40 ΔE 0.062
- Dark Olive #373E02 ΔE 0.067
- Green Brown #544E03 ΔE 0.076
- Pakistan Green #283618 ΔE 0.079
- Chestnut #742802 ΔE 0.079
Use #503B27 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.