#4D90DD#4D90DD

#4D90DD is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.4% C 0.135 H 253.4°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4D90DD
RGB	rgb(77, 144, 221)
HSL	hsl(212, 68%, 58%)
HSV	hsv(212, 65%, 87%)
CMYK	cmyk(65.2%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.73, 2.77, -45.53)
CIE-LCH	lch(58.73, 45.62, 273.49°)
OKLab	oklab(64.44% -0.0385 -0.1291)
OKLCH	oklch(64.44% 0.135 253.4)
XYZ	xyz(26.0802, 26.7422, 72.1799)
Luminance	0.2675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90DD #DD9A4D

analogous

#4DD8DD #4D90DD #524DDD

triadic

#4D90DD #DD4D90 #90DD4D

tetradic

#4D90DD #DD4DD8 #DD9A4D #4DDD52

square

#4D90DD #DD4DD8 #DD9A4D #4DDD52

split-complementary

#4D90DD #DD524D #D8DD4D

monochromatic

#1C5493 #2671C7 #4D90DD #80B0E7 #B4D0F1

Accessibility & contrast

On white

3.31

#4D90DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#4D90DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90DD

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90DD	#FFFFFF	#000000	##000000
##4D90DD	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#5A87DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4d90dd;
/* rgb */ color: rgb(77, 144, 221);
/* oklch */ color: oklch(64.4% 0.135 253.4);

Tailwind

colors: {
  custom: {
    50: '#8cb0e8',
    500: '#4d90dd',
    950: '#000000',
  },
}

SCSS

$custom: #4d90dd;
$custom-light: #8cb0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90dd",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 212.083,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.6444,
    "c": 0.13477,
    "h": 253.4
  },
  "luminance": 0.26745
}

Semantic roles & 50–950 ramp

primary

#4D90DD

secondary

#DFC5A6

accent

#9A3DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4D90DD

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

Preview Lab → · Contrast checker → · Palette generator →