#503C45
Closest named color: Charcoal Grey (#3C4142). oklch(38.1% 0.031 349.9), rgb(80, 60, 69).
Aa
White text reads best on this color (10.12:1).
About this color
#503C45 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.031 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 10.12:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #503C45 |
| RGB | rgb(80, 60, 69) |
| HSL | hsl(333, 14%, 27%) |
| OKLCH | oklch(38.1% 0.031 349.9) |
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 #503C45 | 10.12:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #503C45 | 2.07:1 | Fails | Lc 10.4 | Not readable |
| #503C45 text on white | 10.12:1 | AAA | Lc 93.5 | Preferred for body text |
| #503C45 text on black | 2.07:1 | Fails | Lc -9.0 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E0D6DA
oklch(88.5% 0.012 351)
-
Step 300
300
#CDBBC3
oklch(80.9% 0.023 348.9)
-
Step 400
400
#B497A4
oklch(70.6% 0.039 349.4)
-
Step 500
500
#A17E8E
oklch(63.2% 0.048 349.4)
-
Step 600
600
#8B6778
oklch(55.6% 0.052 349)
-
Step 700
700
#765665
oklch(49.2% 0.048 349.2)
-
Step 800
800
#604652
oklch(42.6% 0.04 349.6)
-
Step 900
900 (this color)
#503C45
oklch(38.1% 0.031 349.9)
-
Step 950
950
#2E2328
oklch(27.1% 0.019 349.4)
#503C45 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) | #3E4045 | 0.033 |
| Deuteranopia (no green cones) | #424344 | 0.032 |
| Tritanopia (no blue cones) | #533C3F | 0.011 |
| Achromatopsia (no color) | #424242 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503C45
#503C45
oklch(38.1% 0.031 349.9)
- #324840
#324840
oklch(38.1% 0.031 170.1)
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 #503C45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Purple Brown #673A3F ΔE 0.044
- Onyx #343A40 ΔE 0.051
- Charcoal #264653 ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.067
- Dark Slate Gray #2F4F4F ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.078
- Brownish Purple #76424E ΔE 0.078
Use #503C45 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.