#4F99DD#4F99DD

#4F99DD is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.5% C 0.126 H 248.5°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#4F99DD
RGB	rgb(79, 153, 221)
HSL	hsl(209, 68%, 59%)
HSV	hsv(209, 64%, 87%)
CMYK	cmyk(64.3%, 30.8%, 0%, 13.3%)
CIE-LAB	lab(61.36, -2.11, -41.39)
CIE-LCH	lch(61.36, 41.44, 267.09°)
OKLab	oklab(66.52% -0.0462 -0.1169)
OKLCH	oklch(66.52% 0.126 248.5)
XYZ	xyz(27.6620, 29.6624, 72.6602)
Luminance	0.2967 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99DD #DD934F

analogous

#4FDDDA #4F99DD #4F52DD

triadic

#4F99DD #DD4F99 #99DD4F

tetradic

#4F99DD #DA4FDD #DD934F #52DD4F

square

#4F99DD #DA4FDD #DD934F #52DD4F

split-complementary

#4F99DD #DD4F52 #DDDA4F

monochromatic

#1D5B95 #277BC8 #4F99DD #82B7E7 #B6D4F1

Accessibility & contrast

On white

3.03

#4F99DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#4F99DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99DD

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99DD	#FFFFFF	#000000	##000000
##4F99DD	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9CE0

Deuteranopia (green-blind)

#688EDC

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4f99dd;
/* rgb */ color: rgb(79, 153, 221);
/* oklch */ color: oklch(66.5% 0.126 248.5);

Tailwind

colors: {
  custom: {
    50: '#8db6e8',
    500: '#4f99dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f99dd;
$custom-light: #8db6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99dd",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 221
  },
  "hsl": {
    "h": 208.732,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.66522,
    "c": 0.12573,
    "h": 248.5
  },
  "luminance": 0.29665
}

Semantic roles & 50–950 ramp

primary

#4F99DD

secondary

#E0C3A8

accent

#903DEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F99DD

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

Preview Lab → · Contrast checker → · Palette generator →