#4E6EE4
Closest named color: Royal Blue (#4169E1). oklch(57.8% 0.182 268.7), rgb(78, 110, 228).
Aa
Black text reads best on this color (4.67:1).
About this color
#4E6EE4 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.182 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.021 away. Black text reads best on it, at 4.67:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #4E6EE4 |
| RGB | rgb(78, 110, 228) |
| HSL | hsl(227, 74%, 60%) |
| OKLCH | oklch(57.8% 0.182 268.7) |
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 #4E6EE4 | 4.49:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #4E6EE4 | 4.67:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #4E6EE4 text on white | 4.49:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #4E6EE4 text on black | 4.67:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F8
oklch(88.5% 0.045 267.4)
-
Step 300
300
#AABFF7
oklch(80.9% 0.083 268.6)
-
Step 400
400
#7F9CF2
oklch(70.7% 0.13 268.8)
-
Step 500
500
#6081EE
oklch(63.2% 0.167 268.6)
-
Step 600
600 (this color)
#4E6EE4
oklch(57.8% 0.182 268.7)
-
Step 700
700
#3A55BF
oklch(49.1% 0.169 268.6)
-
Step 800
800
#30469B
oklch(42.7% 0.141 268.8)
-
Step 900
900
#2A3C7B
oklch(37.7% 0.109 268.7)
-
Step 950
950
#182448
oklch(27.1% 0.069 267.8)
#4E6EE4 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) | #237EE8 | 0.046 |
| Deuteranopia (no green cones) | #0070E2 | 0.046 |
| Tritanopia (no blue cones) | #008A9E | 0.152 |
| Achromatopsia (no color) | #777777 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E6EE4
#4E6EE4
oklch(57.8% 0.182 268.7)
- #967500
#967500
oklch(57.8% 0.118 88.9)
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 #4E6EE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.021
- Neon Blue #4361EE ΔE 0.039
- Cerulean Blue #056EEE ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.050
- Clear Blue #247AFD ΔE 0.051
- Cornflower #6A79F7 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.062
Use #4E6EE4 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.