#4E63A1
Closest named color: Dusky Blue (#475F94). oklch(51.2% 0.102 268.5), rgb(78, 99, 161).
Aa
White text reads best on this color (5.79:1).
About this color
#4E63A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.102 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 5.79:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #4E63A1 |
| RGB | rgb(78, 99, 161) |
| HSL | hsl(225, 35%, 47%) |
| OKLCH | oklch(51.2% 0.102 268.5) |
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 #4E63A1 | 5.79:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #4E63A1 | 3.62:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #4E63A1 text on white | 5.79:1 | AA | Lc 78.9 | Fine for body text |
| #4E63A1 text on black | 3.62:1 | AA large text | Lc -22.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E1
oklch(80.9% 0.049 268.3)
-
Step 400
400
#8C9FD3
oklch(70.7% 0.079 268.8)
-
Step 500
500
#7087C7
oklch(63.2% 0.1 268.4)
-
Step 600
600
#586FB4
oklch(55.5% 0.111 268.7)
-
Step 700
700 (this color)
#4E63A1
oklch(51.2% 0.102 268.5)
-
Step 800
800
#3C4C7D
oklch(42.7% 0.084 269)
-
Step 900
900
#334065
oklch(37.8% 0.066 268.4)
-
Step 950
950
#1E253B
oklch(26.9% 0.042 269.9)
#4E63A1 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) | #4B69A3 | 0.017 |
| Deuteranopia (no green cones) | #4262A0 | 0.015 |
| Tritanopia (no blue cones) | #29707A | 0.091 |
| Achromatopsia (no color) | #656565 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E63A1
#4E63A1
oklch(51.2% 0.102 268.5)
- #7E6208
#7E6208
oklch(51% 0.102 88.4)
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 #4E63A1, closest first.
No curated palette has a color within ΔE 0.04 of #4E63A1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- French Blue #436BAD ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.041
- Denim #3B638C ΔE 0.042
- Muted Blue #3B719F ΔE 0.044
- Mid Blue #276AB3 ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.046
- Dull Blue #49759C ΔE 0.054
Use #4E63A1 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.