#473D57
Closest named color: Charcoal Grey (#3C4142). oklch(38.1% 0.045 301.9), rgb(71, 61, 87).
Aa
White text reads best on this color (10.13:1).
About this color
#473D57 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.045 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.047 away. White text reads best on it, at 10.13:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #473D57 |
| RGB | rgb(71, 61, 87) |
| HSL | hsl(263, 18%, 29%) |
| OKLCH | oklch(38.1% 0.045 301.9) |
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 #473D57 | 10.13:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #473D57 | 2.07:1 | Fails | Lc 10.4 | Not readable |
| #473D57 text on white | 10.13:1 | AAA | Lc 93.5 | Preferred for body text |
| #473D57 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DBD6E4
oklch(88.4% 0.02 302.2)
-
Step 300
300
#C4BCD3
oklch(80.9% 0.033 301.5)
-
Step 400
400
#A799BD
oklch(70.7% 0.054 302.8)
-
Step 500
500
#9180AD
oklch(63.2% 0.069 301.7)
-
Step 600
600
#7B6998
oklch(55.6% 0.074 301.6)
-
Step 700
700
#685782
oklch(49.1% 0.07 302)
-
Step 800
800
#55476A
oklch(42.7% 0.059 302.3)
-
Step 900
900 (this color)
#473D57
oklch(38.1% 0.045 301.9)
-
Step 950
950
#292332
oklch(27% 0.029 302.8)
#473D57 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) | #384158 | 0.026 |
| Deuteranopia (no green cones) | #394156 | 0.025 |
| Tritanopia (no blue cones) | #444146 | 0.036 |
| Achromatopsia (no color) | #414141 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473D57
#473D57
oklch(38.1% 0.045 301.9)
- #3F472B
#3F472B
oklch(38.3% 0.046 121.6)
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 #473D57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.048
- Onyx #343A40 ΔE 0.053
- Charcoal #264653 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.064
- Purple Brown #673A3F ΔE 0.070
- Dark Slate Gray #2F4F4F ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.072
Use #473D57 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.