#4D90D9#4D90D9

#4D90D9 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.130 H 252.2°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#4D90D9
RGB	rgb(77, 144, 217)
HSL	hsl(211, 65%, 58%)
HSV	hsv(211, 65%, 85%)
CMYK	cmyk(64.5%, 33.6%, 0%, 14.9%)
CIE-LAB	lab(58.54, 1.42, -43.61)
CIE-LCH	lch(58.54, 43.63, 271.87°)
OKLab	oklab(64.22% -0.0396 -0.1235)
OKLCH	oklch(64.22% 0.13 252.2)
XYZ	xyz(25.5536, 26.5315, 69.4066)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90D9 #D9964D

analogous

#4DD6D9 #4D90D9 #504DD9

triadic

#4D90D9 #D94D90 #90D94D

tetradic

#4D90D9 #D94DD6 #D9964D #4DD950

square

#4D90D9 #D94DD6 #D9964D #4DD950

split-complementary

#4D90D9 #D9504D #D6D94D

monochromatic

#1E538D #2971C0 #4D90D9 #7FAFE4 #B2CFEF

Accessibility & contrast

On white

3.33

#4D90D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#4D90D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90D9

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90D9	#FFFFFF	#000000	##000000
##4D90D9	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7094DC

Deuteranopia (green-blind)

#5D87D8

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4d90d9;
/* rgb */ color: rgb(77, 144, 217);
/* oklch */ color: oklch(64.2% 0.130 252.2);

Tailwind

colors: {
  custom: {
    50: '#8cb0e5',
    500: '#4d90d9',
    950: '#000000',
  },
}

SCSS

$custom: #4d90d9;
$custom-light: #8cb0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90d9",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 217
  },
  "hsl": {
    "h": 211.286,
    "s": 64.815,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64222,
    "c": 0.12971,
    "h": 252.2
  },
  "luminance": 0.26534
}

Semantic roles & 50–950 ramp

primary

#4D90D9

secondary

#DDC2A5

accent

#9740E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4D90D9

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

Preview Lab → · Contrast checker → · Palette generator →