#4F99DE#4F99DE

#4F99DE is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.6% C 0.127 H 248.8°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#4F99DE
RGB	rgb(79, 153, 222)
HSL	hsl(209, 68%, 59%)
HSV	hsv(209, 64%, 87%)
CMYK	cmyk(64.4%, 31.1%, 0%, 12.9%)
CIE-LAB	lab(61.41, -1.78, -41.87)
CIE-LCH	lch(61.41, 41.91, 267.57°)
OKLab	oklab(66.57% -0.0459 -0.1183)
OKLCH	oklch(66.57% 0.127 248.8)
XYZ	xyz(27.7956, 29.7159, 73.3640)
Luminance	0.2972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99DE #DE944F

analogous

#4FDEDC #4F99DE #4F52DE

triadic

#4F99DE #DE4F99 #99DE4F

tetradic

#4F99DE #DC4FDE #DE944F #52DE4F

square

#4F99DE #DC4FDE #DE944F #52DE4F

split-complementary

#4F99DE #DE4F52 #DEDC4F

monochromatic

#1C5B96 #267BCA #4F99DE #83B7E8 #B6D5F1

Accessibility & contrast

On white

3.02

#4F99DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#4F99DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99DE

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99DE	#FFFFFF	#000000	##000000
##4F99DE	1.00	3.02	6.94	6.94
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9CE1

Deuteranopia (green-blind)

#678EDD

Tritanopia (blue-blind)

#00A9B2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4f99de;
/* rgb */ color: rgb(79, 153, 222);
/* oklch */ color: oklch(66.6% 0.127 248.8);

Tailwind

colors: {
  custom: {
    50: '#8eb6e8',
    500: '#4f99de',
    950: '#000000',
  },
}

SCSS

$custom: #4f99de;
$custom-light: #8eb6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99de",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 222
  },
  "hsl": {
    "h": 208.951,
    "s": 68.421,
    "l": 59.02
  },
  "oklch": {
    "l": 0.66574,
    "c": 0.12693,
    "h": 248.8
  },
  "luminance": 0.29719
}

Semantic roles & 50–950 ramp

primary

#4F99DE

secondary

#E0C3A8

accent

#913DEB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F99DE

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

Preview Lab → · Contrast checker → · Palette generator →