#4A3757
Closest named color: Onyx (#343A40). oklch(37.1% 0.059 310.9), rgb(74, 55, 87).
Aa
White text reads best on this color (10.63:1).
About this color
#4A3757 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.060 away. White text reads best on it, at 10.63:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #4A3757 |
| RGB | rgb(74, 55, 87) |
| HSL | hsl(276, 23%, 28%) |
| OKLCH | oklch(37.1% 0.059 310.9) |
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 #4A3757 | 10.63:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #4A3757 | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #4A3757 text on white | 10.63:1 | AAA | Lc 94.6 | Preferred for body text |
| #4A3757 text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DED5E5
oklch(88.5% 0.024 310.7)
-
Step 300
300
#CAB9D6
oklch(80.9% 0.044 311.4)
-
Step 400
400
#AF95C1
oklch(70.8% 0.069 311.3)
-
Step 500
500
#9B7AB2
oklch(63.2% 0.09 310.8)
-
Step 600
600
#86629D
oklch(55.6% 0.098 311.5)
-
Step 700
700
#715187
oklch(49.1% 0.091 310.6)
-
Step 800
800
#5C436D
oklch(42.8% 0.074 310.8)
-
Step 900
900 (this color)
#4A3757
oklch(37.1% 0.059 310.9)
-
Step 950
950
#2C2134
oklch(26.9% 0.038 310.4)
#4A3757 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) | #313D58 | 0.044 |
| Deuteranopia (no green cones) | #363F56 | 0.040 |
| Tritanopia (no blue cones) | #493B43 | 0.041 |
| Achromatopsia (no color) | #3E3E3E | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3757
#4A3757
oklch(37.1% 0.059 310.9)
- #354625
#354625
oklch(37% 0.057 131)
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 #4A3757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.063
- Charcoal #264653 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.071
- Purple Brown #673A3F ΔE 0.072
- Gunmetal #293241 ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.072
Use #4A3757 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.