#3D3E63
Closest named color: Dark Grey Blue (#29465B). oklch(38% 0.063 281.8), rgb(61, 62, 99).
Aa
White text reads best on this color (10.15:1).
About this color
#3D3E63 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.063 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 10.15:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.15:1 |
Values
| HEX | #3D3E63 |
| RGB | rgb(61, 62, 99) |
| HSL | hsl(238, 24%, 31%) |
| OKLCH | oklch(38% 0.063 281.8) |
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 #3D3E63 | 10.15:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #3D3E63 | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #3D3E63 text on white | 10.15:1 | AAA | Lc 93.5 | Preferred for body text |
| #3D3E63 text on black | 2.06:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EB
oklch(88.4% 0.027 283.5)
-
Step 300
300
#BBBEDF
oklch(81% 0.046 281.2)
-
Step 400
400
#989BCF
oklch(70.6% 0.076 281.7)
-
Step 500
500
#8082C2
oklch(63.1% 0.096 281.9)
-
Step 600
600
#6A6BAF
oklch(55.7% 0.104 281.8)
-
Step 700
700
#585996
oklch(49.1% 0.097 281.5)
-
Step 800
800
#48497A
oklch(42.8% 0.08 281.5)
-
Step 900
900 (this color)
#3D3E63
oklch(38% 0.063 281.8)
-
Step 950
950
#232439
oklch(27% 0.039 281.4)
#3D3E63 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) | #324364 | 0.021 |
| Deuteranopia (no green cones) | #314062 | 0.019 |
| Tritanopia (no blue cones) | #33454C | 0.054 |
| Achromatopsia (no color) | #414141 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D3E63
#3D3E63
oklch(38% 0.063 281.8)
- #494318
#494318
oklch(37.9% 0.062 101.4)
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 #3D3E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Charcoal #264653 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.062
- Onyx #343A40 ΔE 0.063
- Marine Blue #01386A ΔE 0.069
Use #3D3E63 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.