#3E4268
Closest named color: Dark Grey Blue (#29465B). oklch(39.3% 0.064 278.4), rgb(62, 66, 104).
Aa
White text reads best on this color (9.61:1).
About this color
#3E4268 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 278°. 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 9.61:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #3E4268 |
| RGB | rgb(62, 66, 104) |
| HSL | hsl(234, 25%, 33%) |
| OKLCH | oklch(39.3% 0.064 278.4) |
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 #3E4268 | 9.61:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #3E4268 | 2.18:1 | Fails | Lc 11.7 | Not readable |
| #3E4268 text on white | 9.61:1 | AAA | Lc 92.2 | Preferred for body text |
| #3E4268 text on black | 2.18:1 | Fails | Lc -10.2 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#B9BEE0
oklch(80.9% 0.048 278.7)
-
Step 400
400
#959CD1
oklch(70.7% 0.078 278.4)
-
Step 500
500
#7C83C5
oklch(63.1% 0.099 278.5)
-
Step 600
600
#666CB1
oklch(55.7% 0.107 278.6)
-
Step 700
700
#545A98
oklch(49.1% 0.099 277.9)
-
Step 800
800
#45497B
oklch(42.6% 0.083 278.8)
-
Step 900
900 (this color)
#3E4268
oklch(39.3% 0.064 278.4)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#3E4268 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) | #36466A | 0.015 |
| Deuteranopia (no green cones) | #334367 | 0.016 |
| Tritanopia (no blue cones) | #324950 | 0.056 |
| Achromatopsia (no color) | #454545 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4268
#3E4268
oklch(39.3% 0.064 278.4)
- #4F4619
#4F4619
oklch(39.3% 0.064 98)
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 #3E4268, 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 0.054
- Twilight Blue #0A437A ΔE 0.059
- Light Navy #155084 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.066
- Dusk #4E5481 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #3E4268 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.