#4E99CB#4E99CB

#4E99CB is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.6% C 0.106 H 240.2°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4E99CB
RGB	rgb(78, 153, 203)
HSL	hsl(204, 55%, 55%)
HSV	hsv(204, 62%, 80%)
CMYK	cmyk(61.6%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.53, -8.18, -32.66)
CIE-LCH	lch(60.53, 33.67, 255.93°)
OKLab	oklab(65.59% -0.0524 -0.0917)
OKLCH	oklch(65.59% 0.106 240.2)
XYZ	xyz(25.3085, 28.7115, 60.6964)
Luminance	0.2871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E99CB #CB804E

analogous

#4ECBBE #4E99CB #4E5ACB

triadic

#4E99CB #CB4E99 #99CB4E

tetradic

#4E99CB #BE4ECB #CB804E #5ACB4E

square

#4E99CB #BE4ECB #CB804E #5ACB4E

split-complementary

#4E99CB #CB4E5A #CBBE4E

monochromatic

#24587B #327AAA #4E99CB #7DB4D9 #ADD0E7

Accessibility & contrast

On white

3.11

#4E99CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#4E99CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E99CB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E99CB	#FFFFFF	#000000	##000000
##4E99CB	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CD

Deuteranopia (green-blind)

#718CCA

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4e99cb;
/* rgb */ color: rgb(78, 153, 203);
/* oklch */ color: oklch(65.6% 0.106 240.2);

Tailwind

colors: {
  custom: {
    50: '#8bb6db',
    500: '#4e99cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e99cb;
$custom-light: #8bb6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4e99cb",
  "rgb": {
    "r": 78,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 204,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.65589,
    "c": 0.10561,
    "h": 240.2
  },
  "luminance": 0.28714
}

Semantic roles & 50–950 ramp

primary

#4E99CB

secondary

#D5B5A0

accent

#854ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4E99CB

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

Preview Lab → · Contrast checker → · Palette generator →