#4E90CC#4E90CC

#4E90CC is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.113 H 247.9°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#4E90CC
RGB	rgb(78, 144, 204)
HSL	hsl(209, 55%, 55%)
HSV	hsv(209, 62%, 80%)
CMYK	cmyk(61.8%, 29.4%, 0%, 20%)
CIE-LAB	lab(57.96, -2.74, -37.22)
CIE-LCH	lch(57.96, 37.32, 265.79°)
OKLab	oklab(63.58% -0.0425 -0.1049)
OKLCH	oklch(63.58% 0.113 247.9)
XYZ	xyz(24.0102, 25.9236, 60.8535)
Luminance	0.2593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90CC #CC8A4E

analogous

#4ECCC9 #4E90CC #4E51CC

triadic

#4E90CC #CC4E90 #90CC4E

tetradic

#4E90CC #C94ECC #CC8A4E #51CC4E

square

#4E90CC #C94ECC #CC8A4E #51CC4E

split-complementary

#4E90CC #CC4E51 #CCC94E

monochromatic

#24527C #3171AB #4E90CC #7EAEDA #ADCCE7

Accessibility & contrast

On white

3.40

#4E90CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#4E90CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90CC

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90CC	#FFFFFF	#000000	##000000
##4E90CC	1.00	3.40	6.19	6.19
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6586CB

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4e90cc;
/* rgb */ color: rgb(78, 144, 204);
/* oklch */ color: oklch(63.6% 0.113 247.9);

Tailwind

colors: {
  custom: {
    50: '#8ab0dc',
    500: '#4e90cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e90cc;
$custom-light: #8ab0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90cc",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 204
  },
  "hsl": {
    "h": 208.571,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63581,
    "c": 0.1132,
    "h": 247.9
  },
  "luminance": 0.25926
}

Semantic roles & 50–950 ramp

primary

#4E90CC

secondary

#D5BAA1

accent

#9049DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4E90CC

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

Preview Lab → · Contrast checker → · Palette generator →