#4E99DF#4E99DF

#4E99DF is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.6% C 0.129 H 248.9°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4E99DF
RGB	rgb(78, 153, 223)
HSL	hsl(209, 69%, 59%)
HSV	hsv(209, 65%, 87%)
CMYK	cmyk(65%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.42, -1.61, -42.42)
CIE-LCH	lch(61.42, 42.45, 267.82°)
OKLab	oklab(66.59% -0.0463 -0.1199)
OKLCH	oklch(66.59% 0.129 248.9)
XYZ	xyz(27.8475, 29.7271, 74.0680)
Luminance	0.2973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E99DF #DF944E

analogous

#4EDFDD #4E99DF #4E51DF

triadic

#4E99DF #DF4E99 #99DF4E

tetradic

#4E99DF #DD4EDF #DF944E #51DF4E

square

#4E99DF #DD4EDF #DF944E #51DF4E

split-complementary

#4E99DF #DF4E51 #DFDD4E

monochromatic

#1B5B97 #257BCB #4E99DF #82B7E8 #B6D5F2

Accessibility & contrast

On white

3.02

#4E99DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#4E99DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E99DF

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E99DF	#FFFFFF	#000000	##000000
##4E99DF	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)

#668EDE

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4e99df;
/* rgb */ color: rgb(78, 153, 223);
/* oklch */ color: oklch(66.6% 0.129 248.9);

Tailwind

colors: {
  custom: {
    50: '#8db6e9',
    500: '#4e99df',
    950: '#000000',
  },
}

SCSS

$custom: #4e99df;
$custom-light: #8db6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e99df",
  "rgb": {
    "r": 78,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 208.966,
    "s": 69.378,
    "l": 59.02
  },
  "oklch": {
    "l": 0.66586,
    "c": 0.12857,
    "h": 248.9
  },
  "luminance": 0.2973
}

Semantic roles & 50–950 ramp

primary

#4E99DF

secondary

#E1C3A8

accent

#913CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4E99DF

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

Preview Lab → · Contrast checker → · Palette generator →