#423151
Closest named color: Space Cadet (#2B2D42). oklch(34.6% 0.058 308), rgb(66, 49, 81).
Aa
White text reads best on this color (11.73:1).
About this color
#423151 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.058 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.052 away. White text reads best on it, at 11.73:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.78:1 |
| White text | 11.73:1 |
Values
| HEX | #423151 |
| RGB | rgb(66, 49, 81) |
| HSL | hsl(272, 25%, 25%) |
| OKLCH | oklch(34.6% 0.058 308) |
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 #423151 | 11.73:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #423151 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #423151 text on white | 11.73:1 | AAA | Lc 96.9 | Preferred for body text |
| #423151 text on black | 1.78:1 | Fails | Lc 0.0 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C8BAD7
oklch(81% 0.043 307.1)
-
Step 400
400
#AD95C3
oklch(70.7% 0.071 308.3)
-
Step 500
500
#987BB3
oklch(63.1% 0.088 307.7)
-
Step 600
600
#83639F
oklch(55.6% 0.097 308)
-
Step 700
700
#6F5288
oklch(49.1% 0.09 308.1)
-
Step 800
800
#5A436F
oklch(42.6% 0.076 307.5)
-
Step 900
900 (this color)
#423151
oklch(34.6% 0.058 308)
-
Step 950
950
#2B2134
oklch(26.8% 0.037 308.1)
#423151 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) | #2B3752 | 0.041 |
| Deuteranopia (no green cones) | #2E3850 | 0.039 |
| Tritanopia (no blue cones) | #40363D | 0.043 |
| Achromatopsia (no color) | #383838 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423151
#423151
oklch(34.6% 0.058 308)
- #313F1D
#313F1D
oklch(34.6% 0.057 127.5)
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 #423151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.052
- Onyx #343A40 ΔE 0.053
- Gunmetal #293241 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.069
- Charcoal #264653 ΔE 0.074
Use #423151 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.