#4E90AB#4E90AB

#4E90AB is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.0% C 0.079 H 226.8°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4E90AB
RGB	rgb(78, 144, 171)
HSL	hsl(197, 37%, 49%)
HSV	hsv(197, 54%, 67%)
CMYK	cmyk(54.4%, 15.8%, 0%, 32.9%)
CIE-LAB	lab(56.59, -13.21, -20.63)
CIE-LCH	lch(56.59, 24.50, 237.36°)
OKLab	oklab(62.04% -0.0538 -0.0573)
OKLCH	oklch(62.04% 0.079 226.8)
XYZ	xyz(20.4630, 24.5047, 42.1717)
Luminance	0.2451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90AB #AB694E

analogous

#4EAB98 #4E90AB #4E62AB

triadic

#4E90AB #AB4E90 #90AB4E

tetradic

#4E90AB #984EAB #AB694E #62AB4E

square

#4E90AB #984EAB #AB694E #62AB4E

split-complementary

#4E90AB #AB4E62 #AB984E

monochromatic

#284957 #3B6D81 #4E90AB #76ABC0 #A0C5D4

Accessibility & contrast

On white

3.56

#4E90AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#4E90AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90AB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90AB	#FFFFFF	#000000	##000000
##4E90AB	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828DAC

Deuteranopia (green-blind)

#7483AB

Tritanopia (blue-blind)

#059899

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4e90ab;
/* rgb */ color: rgb(78, 144, 171);
/* oklch */ color: oklch(62.0% 0.079 226.8);

Tailwind

colors: {
  custom: {
    50: '#87b0c4',
    500: '#4e90ab',
    950: '#000000',
  },
}

SCSS

$custom: #4e90ab;
$custom-light: #87b0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90ab",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 197.419,
    "s": 37.349,
    "l": 48.824
  },
  "oklch": {
    "l": 0.62039,
    "c": 0.07863,
    "h": 226.8
  },
  "luminance": 0.24506
}

Semantic roles & 50–950 ramp

primary

#4E90AB

secondary

#C1A194

accent

#7C5ACD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #4E90AB

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

Preview Lab → · Contrast checker → · Palette generator →