#4D99E0#4D99E0

#4D99E0 is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.6% C 0.130 H 249.0°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4D99E0
RGB	rgb(77, 153, 224)
HSL	hsl(209, 70%, 59%)
HSV	hsv(209, 66%, 88%)
CMYK	cmyk(65.6%, 31.7%, 0%, 12.2%)
CIE-LAB	lab(61.43, -1.44, -42.96)
CIE-LCH	lch(61.43, 42.98, 268.08°)
OKLab	oklab(66.6% -0.0467 -0.1215)
OKLCH	oklch(66.6% 0.13 249)
XYZ	xyz(27.9013, 29.7392, 74.7764)
Luminance	0.2974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99E0 #E0944D

analogous

#4DE0DE #4D99E0 #4D50E0

triadic

#4D99E0 #E04D99 #99E04D

tetradic

#4D99E0 #DE4DE0 #E0944D #50E04D

square

#4D99E0 #DE4DE0 #E0944D #50E04D

split-complementary

#4D99E0 #E04D50 #E0DE4D

monochromatic

#1A5B98 #247BCC #4D99E0 #81B7E9 #B5D5F2

Accessibility & contrast

On white

3.02

#4D99E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#4D99E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99E0

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99E0	#FFFFFF	#000000	##000000
##4D99E0	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE3

Deuteranopia (green-blind)

#658EDF

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4d99e0;
/* rgb */ color: rgb(77, 153, 224);
/* oklch */ color: oklch(66.6% 0.130 249.0);

Tailwind

colors: {
  custom: {
    50: '#8db6ea',
    500: '#4d99e0',
    950: '#000000',
  },
}

SCSS

$custom: #4d99e0;
$custom-light: #8db6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99e0",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 224
  },
  "hsl": {
    "h": 208.98,
    "s": 70.335,
    "l": 59.02
  },
  "oklch": {
    "l": 0.666,
    "c": 0.13019,
    "h": 249
  },
  "luminance": 0.29742
}

Semantic roles & 50–950 ramp

primary

#4D99E0

secondary

#E1C3A8

accent

#913BED

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4D99E0

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

Preview Lab → · Contrast checker → · Palette generator →