#4D90CC#4D90CC

#4D90CC is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.114 H 247.6°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4D90CC
RGB	rgb(77, 144, 204)
HSL	hsl(208, 55%, 55%)
HSV	hsv(208, 62%, 80%)
CMYK	cmyk(62.3%, 29.4%, 0%, 20%)
CIE-LAB	lab(57.92, -2.92, -37.28)
CIE-LCH	lch(57.92, 37.40, 265.52°)
OKLab	oklab(63.54% -0.0432 -0.1051)
OKLCH	oklch(63.54% 0.114 247.6)
XYZ	xyz(23.9289, 25.8816, 60.8496)
Luminance	0.2588 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90CC #CC894D

analogous

#4DCCC8 #4D90CC #4D51CC

triadic

#4D90CC #CC4D90 #90CC4D

tetradic

#4D90CC #C84DCC #CC894D #51CC4D

square

#4D90CC #C84DCC #CC894D #51CC4D

split-complementary

#4D90CC #CC4D51 #CCC84D

monochromatic

#23527B #3171AB #4D90CC #7DAEDA #ACCBE7

Accessibility & contrast

On white

3.40

#4D90CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4D90CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90CC

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90CC	#FFFFFF	#000000	##000000
##4D90CC	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	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: #4d90cc;
/* rgb */ color: rgb(77, 144, 204);
/* oklch */ color: oklch(63.5% 0.114 247.6);

Tailwind

colors: {
  custom: {
    50: '#8ab0dc',
    500: '#4d90cc',
    950: '#000000',
  },
}

SCSS

$custom: #4d90cc;
$custom-light: #8ab0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90cc",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 204
  },
  "hsl": {
    "h": 208.346,
    "s": 55.459,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63539,
    "c": 0.11367,
    "h": 247.6
  },
  "luminance": 0.25884
}

Semantic roles & 50–950 ramp

primary

#4D90CC

secondary

#D5B9A0

accent

#9049DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4D90CC

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

Preview Lab → · Contrast checker → · Palette generator →