#4E63BE
Closest named color: Iris (#6258C4). oklch(53% 0.144 271), rgb(78, 99, 190).
Aa
White text reads best on this color (5.45:1).
About this color
#4E63BE is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.144 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.038 away. White text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #4E63BE |
| RGB | rgb(78, 99, 190) |
| HSL | hsl(229, 46%, 53%) |
| OKLCH | oklch(53% 0.144 271) |
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 #4E63BE | 5.45:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #4E63BE | 3.85:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #4E63BE text on white | 5.45:1 | AA | Lc 77.0 | Fine for body text |
| #4E63BE text on black | 3.85:1 | AA large text | Lc -24.8 | 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 600.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEB
oklch(80.9% 0.064 271.1)
-
Step 400
400
#899DE2
oklch(70.8% 0.104 271.2)
-
Step 500
500
#6C83D9
oklch(63.1% 0.132 270.9)
-
Step 600
600 (this color)
#4E63BE
oklch(53% 0.144 271)
-
Step 700
700
#4659AC
oklch(49.2% 0.134 271.1)
-
Step 800
800
#39498B
oklch(42.7% 0.111 270.8)
-
Step 900
900
#313E6F
oklch(37.8% 0.085 270.7)
-
Step 950
950
#1D2441
oklch(26.9% 0.055 272)
#4E63BE 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) | #366FC1 | 0.036 |
| Deuteranopia (no green cones) | #2465BC | 0.040 |
| Tritanopia (no blue cones) | #007887 | 0.128 |
| Achromatopsia (no color) | #696969 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E63BE
#4E63BE
oklch(53% 0.144 271)
- #836800
#836800
oklch(52.9% 0.108 90.8)
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 #4E63BE, closest first.
No curated palette has a color within ΔE 0.04 of #4E63BE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- French Blue #436BAD ΔE 0.039
- Mid Blue #276AB3 ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.050
- Royal Blue #4169E1 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.055
- Warm Blue #4B57DB ΔE 0.056
Use #4E63BE 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.