#4E90E9#4E90E9

#4E90E9 is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.2% C 0.150 H 256.5°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4E90E9
RGB	rgb(78, 144, 233)
HSL	hsl(214, 78%, 61%)
HSV	hsv(214, 67%, 91%)
CMYK	cmyk(66.5%, 38.2%, 0%, 8.6%)
CIE-LAB	lab(59.39, 7.03, -51.17)
CIE-LCH	lch(59.39, 51.66, 277.82°)
OKLab	oklab(65.16% -0.0349 -0.1456)
OKLCH	oklch(65.16% 0.15 256.5)
XYZ	xyz(27.8178, 27.4466, 80.9067)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90E9 #E9A74E

analogous

#4EDDE9 #4E90E9 #594EE9

triadic

#4E90E9 #E94E90 #90E94E

tetradic

#4E90E9 #E94EDD #E9A74E #4EE959

square

#4E90E9 #E94EDD #E9A74E #4EE959

split-complementary

#4E90E9 #E9594E #DDE94E

monochromatic

#1553A8 #1C6EDE #4E90E9 #84B2F0 #BBD4F7

Accessibility & contrast

On white

3.24

#4E90E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#4E90E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90E9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90E9	#FFFFFF	#000000	##000000
##4E90E9	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6897ED

Deuteranopia (green-blind)

#5188E7

Tritanopia (blue-blind)

#00A5B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4e90e9;
/* rgb */ color: rgb(78, 144, 233);
/* oklch */ color: oklch(65.2% 0.150 256.5);

Tailwind

colors: {
  custom: {
    50: '#8fb0f0',
    500: '#4e90e9',
    950: '#000000',
  },
}

SCSS

$custom: #4e90e9;
$custom-light: #8fb0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90e9",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 233
  },
  "hsl": {
    "h": 214.452,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.65158,
    "c": 0.14976,
    "h": 256.5
  },
  "luminance": 0.27449
}

Semantic roles & 50–950 ramp

primary

#4E90E9

secondary

#E7CEAC

accent

#820BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4E90E9

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

Preview Lab → · Contrast checker → · Palette generator →