#4B99EC#4B99EC

#4B99EC is a light, vivid cyan. Relative luminance 0.303; OKLCH L 67.2% C 0.146 H 252.1°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4B99EC
RGB	rgb(75, 153, 236)
HSL	hsl(211, 81%, 61%)
HSV	hsv(211, 68%, 93%)
CMYK	cmyk(68.2%, 35.2%, 0%, 7.5%)
CIE-LAB	lab(61.94, 2.31, -48.79)
CIE-LCH	lch(61.94, 48.85, 272.71°)
OKLab	oklab(67.17% -0.0448 -0.1386)
OKLCH	oklch(67.17% 0.146 252.1)
XYZ	xyz(29.4276, 30.3313, 83.6443)
Luminance	0.3033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99EC #EC9E4B

analogous

#4BE9EC #4B99EC #4D4BEC

triadic

#4B99EC #EC4B99 #99EC4B

tetradic

#4B99EC #EC4BE9 #EC9E4B #4BEC4D

square

#4B99EC #EC4BE9 #EC9E4B #4BEC4D

split-complementary

#4B99EC #EC4D4B #E9EC4B

monochromatic

#125CAB #187AE2 #4B99EC #82B8F2 #BAD8F8

Accessibility & contrast

On white

2.97

#4B99EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#4B99EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4B99EC

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99EC	#FFFFFF	#000000	##000000
##4B99EC	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	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: #4b99ec;
/* rgb */ color: rgb(75, 153, 236);
/* oklch */ color: oklch(67.2% 0.146 252.1);

Tailwind

colors: {
  custom: {
    50: '#8eb6f2',
    500: '#4b99ec',
    950: '#000000',
  },
}

SCSS

$custom: #4b99ec;
$custom-light: #8eb6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99ec",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 236
  },
  "hsl": {
    "h": 210.932,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.67171,
    "c": 0.14566,
    "h": 252.1
  },
  "luminance": 0.30334
}

Semantic roles & 50–950 ramp

primary

#4B99EC

secondary

#E8CAAB

accent

#7608DD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #4B99EC

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

Preview Lab → · Contrast checker → · Palette generator →