#4E90B3#4E90B3

#4E90B3 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.086 H 233.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4E90B3
RGB	rgb(78, 144, 179)
HSL	hsl(201, 40%, 50%)
HSV	hsv(201, 56%, 70%)
CMYK	cmyk(56.4%, 19.6%, 0%, 29.8%)
CIE-LAB	lab(56.90, -10.76, -24.72)
CIE-LCH	lch(56.90, 26.96, 246.48°)
OKLab	oklab(62.39% -0.0508 -0.0689)
OKLCH	oklch(62.39% 0.086 233.6)
XYZ	xyz(21.2488, 24.8190, 46.3099)
Luminance	0.2482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90B3 #B3714E

analogous

#4EB3A3 #4E90B3 #4E5DB3

triadic

#4E90B3 #B34E90 #90B34E

tetradic

#4E90B3 #A34EB3 #B3714E #5DB34E

square

#4E90B3 #A34EB3 #B3714E #5DB34E

split-complementary

#4E90B3 #B34E5D #B3A34E

monochromatic

#284C5E #3B6E89 #4E90B3 #79ABC5 #A4C6D8

Accessibility & contrast

On white

3.52

#4E90B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#4E90B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90B3

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90B3	#FFFFFF	#000000	##000000
##4E90B3	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8FB5

Deuteranopia (green-blind)

#7184B2

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4e90b3;
/* rgb */ color: rgb(78, 144, 179);
/* oklch */ color: oklch(62.4% 0.086 233.6);

Tailwind

colors: {
  custom: {
    50: '#87b0c9',
    500: '#4e90b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e90b3;
$custom-light: #87b0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90b3",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 179
  },
  "hsl": {
    "h": 200.792,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62387,
    "c": 0.08564,
    "h": 233.6
  },
  "luminance": 0.24821
}

Semantic roles & 50–950 ramp

primary

#4E90B3

secondary

#C5A798

accent

#8258D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4E90B3

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

Preview Lab → · Contrast checker → · Palette generator →