#4E88E9#4E88E9

#4E88E9 is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.4% C 0.158 H 260.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4E88E9
RGB	rgb(78, 136, 233)
HSL	hsl(218, 78%, 61%)
HSV	hsv(218, 67%, 91%)
CMYK	cmyk(66.5%, 41.6%, 0%, 8.6%)
CIE-LAB	lab(57.18, 11.82, -54.68)
CIE-LCH	lch(57.18, 55.95, 282.19°)
OKLab	oklab(63.45% -0.0273 -0.156)
OKLCH	oklch(63.45% 0.158 260.1)
XYZ	xyz(26.6488, 25.1086, 80.5170)
Luminance	0.2511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E88E9 #E9AF4E

analogous

#4ED6E9 #4E88E9 #614EE9

triadic

#4E88E9 #E94E88 #88E94E

tetradic

#4E88E9 #E94ED6 #E9AF4E #4EE961

square

#4E88E9 #E94ED6 #E9AF4E #4EE961

split-complementary

#4E88E9 #E9614E #D6E94E

monochromatic

#154CA8 #1C64DE #4E88E9 #84ADF0 #BBD1F7

Accessibility & contrast

On white

3.49

#4E88E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4E88E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E88E9

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E88E9	#FFFFFF	#000000	##000000
##4E88E9	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B91ED

Deuteranopia (green-blind)

#4283E7

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4e88e9;
/* rgb */ color: rgb(78, 136, 233);
/* oklch */ color: oklch(63.4% 0.158 260.1);

Tailwind

colors: {
  custom: {
    50: '#8faaf0',
    500: '#4e88e9',
    950: '#000000',
  },
}

SCSS

$custom: #4e88e9;
$custom-light: #8faaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e88e9",
  "rgb": {
    "r": 78,
    "g": 136,
    "b": 233
  },
  "hsl": {
    "h": 217.548,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.63448,
    "c": 0.15841,
    "h": 260.1
  },
  "luminance": 0.25111
}

Semantic roles & 50–950 ramp

primary

#4E88E9

secondary

#E7D1AC

accent

#8D0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4E88E9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →