#4E99CC#4E99CC

#4E99CC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.6% C 0.107 H 240.8°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4E99CC
RGB	rgb(78, 153, 204)
HSL	hsl(204, 55%, 55%)
HSV	hsv(204, 62%, 80%)
CMYK	cmyk(61.8%, 25%, 0%, 20%)
CIE-LAB	lab(60.57, -7.86, -33.15)
CIE-LCH	lch(60.57, 34.07, 256.66°)
OKLab	oklab(65.64% -0.0521 -0.0931)
OKLCH	oklch(65.64% 0.107 240.8)
XYZ	xyz(25.4281, 28.7593, 61.3261)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E99CC #CC814E

analogous

#4ECCC0 #4E99CC #4E5ACC

triadic

#4E99CC #CC4E99 #99CC4E

tetradic

#4E99CC #C04ECC #CC814E #5ACC4E

square

#4E99CC #C04ECC #CC814E #5ACC4E

split-complementary

#4E99CC #CC4E5A #CCC04E

monochromatic

#24587C #317AAB #4E99CC #7EB4DA #ADD0E7

Accessibility & contrast

On white

3.11

#4E99CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#4E99CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E99CC

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E99CC	#FFFFFF	#000000	##000000
##4E99CC	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CE

Deuteranopia (green-blind)

#718CCB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4e99cc;
/* rgb */ color: rgb(78, 153, 204);
/* oklch */ color: oklch(65.6% 0.107 240.8);

Tailwind

colors: {
  custom: {
    50: '#8bb6db',
    500: '#4e99cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e99cc;
$custom-light: #8bb6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4e99cc",
  "rgb": {
    "r": 78,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 204.286,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.65637,
    "c": 0.10669,
    "h": 240.8
  },
  "luminance": 0.28762
}

Semantic roles & 50–950 ramp

primary

#4E99CC

secondary

#D5B6A1

accent

#8649DF

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4E99CC

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

Preview Lab → · Contrast checker → · Palette generator →