#503A35
Closest named color: Charcoal Grey (#3C4142). oklch(37.2% 0.033 33.1), rgb(80, 58, 53).
Aa
White text reads best on this color (10.51:1).
About this color
#503A35 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.033 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.040 away. White text reads best on it, at 10.51:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #503A35 |
| RGB | rgb(80, 58, 53) |
| HSL | hsl(11, 20%, 26%) |
| OKLCH | oklch(37.2% 0.033 33.1) |
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 #503A35 | 10.51:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #503A35 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #503A35 text on white | 10.51:1 | AAA | Lc 94.4 | Preferred for body text |
| #503A35 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D0BBB7
oklch(80.9% 0.025 30.5)
-
Step 400
400
#B89891
oklch(70.7% 0.04 32.4)
-
Step 500
500
#A67F76
oklch(63.2% 0.051 33.3)
-
Step 600
600
#90685F
oklch(55.6% 0.054 33)
-
Step 700
700
#7B564E
oklch(49% 0.051 32.6)
-
Step 800
800
#644740
oklch(42.8% 0.042 34)
-
Step 900
900 (this color)
#503A35
oklch(37.2% 0.033 33.1)
-
Step 950
950
#302320
oklch(27.1% 0.021 33.3)
#503A35 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) | #3F3D35 | 0.031 |
| Deuteranopia (no green cones) | #444135 | 0.030 |
| Tritanopia (no blue cones) | #553739 | 0.016 |
| Achromatopsia (no color) | #3F3F3F | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503A35
#503A35
oklch(37.2% 0.033 33.1)
- #2B454A
#2B454A
oklch(37.2% 0.033 211)
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 #503A35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.040
- Purple Brown #673A3F ΔE 0.049
- Onyx #343A40 ΔE 0.051
- Mud Brown #60460F ΔE 0.073
- Charcoal #264653 ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.076
- Gunmetal #293241 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.081
Use #503A35 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.