#4F99DF#4F99DF

#4F99DF is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.6% C 0.128 H 249.2°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4F99DF
RGB	rgb(79, 153, 223)
HSL	hsl(209, 69%, 59%)
HSV	hsv(209, 65%, 87%)
CMYK	cmyk(64.6%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.45, -1.44, -42.36)
CIE-LCH	lch(61.45, 42.38, 268.05°)
OKLab	oklab(66.63% -0.0456 -0.1198)
OKLCH	oklch(66.63% 0.128 249.2)
XYZ	xyz(27.9300, 29.7696, 74.0719)
Luminance	0.2977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99DF #DF954F

analogous

#4FDFDD #4F99DF #4F51DF

triadic

#4F99DF #DF4F99 #99DF4F

tetradic

#4F99DF #DD4FDF #DF954F #51DF4F

square

#4F99DF #DD4FDF #DF954F #51DF4F

split-complementary

#4F99DF #DF4F51 #DFDD4F

monochromatic

#1C5C98 #257BCC #4F99DF #83B7E8 #B7D5F2

Accessibility & contrast

On white

3.02

#4F99DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#4F99DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99DF

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99DF	#FFFFFF	#000000	##000000
##4F99DF	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)

#7A9CE2

Deuteranopia (green-blind)

#678EDE

Tritanopia (blue-blind)

#00A9B2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4f99df;
/* rgb */ color: rgb(79, 153, 223);
/* oklch */ color: oklch(66.6% 0.128 249.2);

Tailwind

colors: {
  custom: {
    50: '#8eb6e9',
    500: '#4f99df',
    950: '#000000',
  },
}

SCSS

$custom: #4f99df;
$custom-light: #8eb6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99df",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 209.167,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66626,
    "c": 0.12814,
    "h": 249.2
  },
  "luminance": 0.29772
}

Semantic roles & 50–950 ramp

primary

#4F99DF

secondary

#E1C4A9

accent

#913CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F99DF

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

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