#4E90D8#4E90D8

#4E90D8 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.128 H 252.2°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4E90D8
RGB	rgb(78, 144, 216)
HSL	hsl(211, 64%, 58%)
HSV	hsv(211, 64%, 85%)
CMYK	cmyk(63.9%, 33.3%, 0%, 15.3%)
CIE-LAB	lab(58.53, 1.26, -43.06)
CIE-LCH	lch(58.53, 43.08, 271.67°)
OKLab	oklab(64.21% -0.0391 -0.1219)
OKLCH	oklch(64.21% 0.128 252.2)
XYZ	xyz(25.5053, 26.5216, 68.7275)
Luminance	0.2652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90D8 #D8964E

analogous

#4ED5D8 #4E90D8 #514ED8

triadic

#4E90D8 #D84E90 #90D84E

tetradic

#4E90D8 #D84ED5 #D8964E #4ED851

square

#4E90D8 #D84ED5 #D8964E #4ED851

split-complementary

#4E90D8 #D8514E #D5D84E

monochromatic

#1F538D #2A71BF #4E90D8 #80AFE3 #B2CFEE

Accessibility & contrast

On white

3.33

#4E90D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#4E90D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90D8

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90D8	#FFFFFF	#000000	##000000
##4E90D8	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DB

Deuteranopia (green-blind)

#5E87D7

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4e90d8;
/* rgb */ color: rgb(78, 144, 216);
/* oklch */ color: oklch(64.2% 0.128 252.2);

Tailwind

colors: {
  custom: {
    50: '#8cb0e4',
    500: '#4e90d8',
    950: '#000000',
  },
}

SCSS

$custom: #4e90d8;
$custom-light: #8cb0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90d8",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 216
  },
  "hsl": {
    "h": 211.304,
    "s": 63.889,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64209,
    "c": 0.12804,
    "h": 252.2
  },
  "luminance": 0.26524
}

Semantic roles & 50–950 ramp

primary

#4E90D8

secondary

#DDC2A5

accent

#9841E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4E90D8

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

Preview Lab → · Contrast checker → · Palette generator →