#4A375A
Closest named color: Onyx (#343A40). oklch(37.3% 0.063 308.5), rgb(74, 55, 90).
Aa
White text reads best on this color (10.57:1).
About this color
#4A375A is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.064 away. White text reads best on it, at 10.57:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #4A375A |
| RGB | rgb(74, 55, 90) |
| HSL | hsl(273, 24%, 28%) |
| OKLCH | oklch(37.3% 0.063 308.5) |
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 #4A375A | 10.57:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #4A375A | 1.98:1 | Fails | Lc 9.4 | Not readable |
| #4A375A text on white | 10.57:1 | AAA | Lc 94.5 | Preferred for body text |
| #4A375A text on black | 1.98:1 | Fails | Lc -8.1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D8
oklch(80.9% 0.046 308.5)
-
Step 400
400
#AE94C5
oklch(70.7% 0.076 308.6)
-
Step 500
500
#9A79B6
oklch(63.1% 0.096 308.6)
-
Step 600
600
#8561A2
oklch(55.6% 0.105 308.8)
-
Step 700
700
#70508B
oklch(49% 0.098 308.1)
-
Step 800
800
#5C4271
oklch(42.8% 0.081 308.7)
-
Step 900
900 (this color)
#4A375A
oklch(37.3% 0.063 308.5)
-
Step 950
950
#2C2135
oklch(27% 0.039 309.1)
#4A375A 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) | #303E5B | 0.045 |
| Deuteranopia (no green cones) | #343F59 | 0.042 |
| Tritanopia (no blue cones) | #483C44 | 0.046 |
| Achromatopsia (no color) | #3F3F3F | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A375A
#4A375A
oklch(37.3% 0.063 308.5)
- #364721
#364721
oklch(37.3% 0.064 128.9)
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 #4A375A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.064
- Charcoal #264653 ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.073
- Purple Brown #673A3F ΔE 0.075
- Gunmetal #293241 ΔE 0.075
Use #4A375A 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.