#4D90CB#4D90CB

#4D90CB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.112 H 247.2°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4D90CB
RGB	rgb(77, 144, 203)
HSL	hsl(208, 55%, 55%)
HSV	hsv(208, 62%, 80%)
CMYK	cmyk(62.1%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(57.88, -3.25, -36.79)
CIE-LCH	lch(57.88, 36.93, 264.95°)
OKLab	oklab(63.49% -0.0436 -0.1037)
OKLCH	oklch(63.49% 0.112 247.2)
XYZ	xyz(23.8093, 25.8338, 60.2200)
Luminance	0.2584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90CB #CB884D

analogous

#4DCBC7 #4D90CB #4D51CB

triadic

#4D90CB #CB4D90 #90CB4D

tetradic

#4D90CB #C74DCB #CB884D #51CB4D

square

#4D90CB #C74DCB #CB884D #51CB4D

split-complementary

#4D90CB #CB4D51 #CBC74D

monochromatic

#24527A #3171A9 #4D90CB #7CAED9 #ACCBE7

Accessibility & contrast

On white

3.41

#4D90CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#4D90CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90CB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90CB	#FFFFFF	#000000	##000000
##4D90CB	1.00	3.41	6.17	6.17
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CE

Deuteranopia (green-blind)

#6586CA

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4d90cb;
/* rgb */ color: rgb(77, 144, 203);
/* oklch */ color: oklch(63.5% 0.112 247.2);

Tailwind

colors: {
  custom: {
    50: '#8ab0db',
    500: '#4d90cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d90cb;
$custom-light: #8ab0db;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90cb",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 208.095,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63488,
    "c": 0.11248,
    "h": 247.2
  },
  "luminance": 0.25836
}

Semantic roles & 50–950 ramp

primary

#4D90CB

secondary

#D4B89F

accent

#8F4ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4D90CB

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

Preview Lab → · Contrast checker → · Palette generator →