#4D99EC#4D99EC

#4D99EC is a light, vivid cyan. Relative luminance 0.304; OKLCH L 67.2% C 0.145 H 252.5°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#4D99EC
RGB	rgb(77, 153, 236)
HSL	hsl(211, 81%, 61%)
HSV	hsv(211, 67%, 93%)
CMYK	cmyk(67.4%, 35.2%, 0%, 7.5%)
CIE-LAB	lab(62.01, 2.61, -48.68)
CIE-LCH	lch(62.01, 48.75, 273.07°)
OKLab	oklab(67.25% -0.0435 -0.1382)
OKLCH	oklch(67.25% 0.145 252.5)
XYZ	xyz(29.5865, 30.4133, 83.6517)
Luminance	0.3042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99EC #ECA04D

analogous

#4DE8EC #4D99EC #514DEC

triadic

#4D99EC #EC4D99 #99EC4D

tetradic

#4D99EC #EC4DE8 #ECA04D #4DEC51

square

#4D99EC #EC4DE8 #ECA04D #4DEC51

split-complementary

#4D99EC #EC514D #E8EC4D

monochromatic

#125CAC #1879E4 #4D99EC #84B9F2 #BCD8F8

Accessibility & contrast

On white

2.96

#4D99EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#4D99EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4D99EC

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99EC	#FFFFFF	#000000	##000000
##4D99EC	1.00	2.96	7.08	7.08
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#749EEF

Deuteranopia (green-blind)

#5D8FEA

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #4d99ec;
/* rgb */ color: rgb(77, 153, 236);
/* oklch */ color: oklch(67.2% 0.145 252.5);

Tailwind

colors: {
  custom: {
    50: '#8fb6f2',
    500: '#4d99ec',
    950: '#000000',
  },
}

SCSS

$custom: #4d99ec;
$custom-light: #8fb6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99ec",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 236
  },
  "hsl": {
    "h": 211.321,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67245,
    "c": 0.1449,
    "h": 252.5
  },
  "luminance": 0.30416
}

Semantic roles & 50–950 ramp

primary

#4D99EC

secondary

#E8CCAD

accent

#7708DD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #4D99EC

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

Preview Lab → · Contrast checker → · Palette generator →