#3E356B
Closest named color: Dark Slate Blue (#483D8B). oklch(36.7% 0.09 288.8), rgb(62, 53, 107).
Aa
White text reads best on this color (10.90:1).
About this color
#3E356B is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.090 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 10.90:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #3E356B |
| RGB | rgb(62, 53, 107) |
| HSL | hsl(250, 34%, 31%) |
| OKLCH | oklch(36.7% 0.09 288.8) |
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 #3E356B | 10.90:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #3E356B | 1.92:1 | Fails | Lc 8.8 | Not readable |
| #3E356B text on white | 10.90:1 | AAA | Lc 95.1 | Preferred for body text |
| #3E356B text on black | 1.92:1 | Fails | Lc -7.5 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D6F1
oklch(88.6% 0.037 289)
-
Step 300
300
#BEBAEB
oklch(80.9% 0.069 288.5)
-
Step 400
400
#9E95E0
oklch(70.7% 0.108 288.8)
-
Step 500
500
#8879D7
oklch(63.1% 0.138 289.1)
-
Step 600
600
#7260C5
oklch(55.6% 0.151 288.7)
-
Step 700
700
#604FAA
oklch(49.1% 0.14 288.8)
-
Step 800
800
#4E418A
oklch(42.7% 0.117 288.6)
-
Step 900
900 (this color)
#3E356B
oklch(36.7% 0.09 288.8)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#3E356B 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) | #203E6D | 0.046 |
| Deuteranopia (no green cones) | #203B6A | 0.044 |
| Tritanopia (no blue cones) | #32404B | 0.075 |
| Achromatopsia (no color) | #3D3D3D | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E356B
#3E356B
oklch(36.7% 0.09 288.8)
- #434200
#434200
oklch(36.8% 0.08 108.8)
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 #3E356B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.065
- Marine Blue #01386A ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.076
- Blueberry #464196 ΔE 0.077
- Cobalt #1E488F ΔE 0.080
Use #3E356B 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.