#4C99DB#4C99DB

#4C99DB is a light, vivid cyan. Relative luminance 0.294; OKLCH L 66.3% C 0.125 H 246.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#4C99DB
RGB	rgb(76, 153, 219)
HSL	hsl(208, 67%, 58%)
HSV	hsv(208, 65%, 86%)
CMYK	cmyk(65.3%, 30.1%, 0%, 14.1%)
CIE-LAB	lab(61.16, -3.28, -40.60)
CIE-LCH	lch(61.16, 40.74, 265.38°)
OKLab	oklab(66.3% -0.0488 -0.1147)
OKLCH	oklch(66.3% 0.125 246.9)
XYZ	xyz(27.1531, 29.4307, 71.2538)
Luminance	0.2943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C99DB #DB8E4C

analogous

#4CDBD5 #4C99DB #4C51DB

triadic

#4C99DB #DB4C99 #99DB4C

tetradic

#4C99DB #D54CDB #DB8E4C #51DB4C

square

#4C99DB #D54CDB #DB8E4C #51DB4C

split-complementary

#4C99DB #DB4C51 #DBD54C

monochromatic

#1D5B90 #277BC3 #4C99DB #7FB6E5 #B2D3EF

Accessibility & contrast

On white

3.05

#4C99DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#4C99DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C99DB

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C99DB	#FFFFFF	#000000	##000000
##4C99DB	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9BDE

Deuteranopia (green-blind)

#688DDA

Tritanopia (blue-blind)

#00A9B0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4c99db;
/* rgb */ color: rgb(76, 153, 219);
/* oklch */ color: oklch(66.3% 0.125 246.9);

Tailwind

colors: {
  custom: {
    50: '#8cb6e6',
    500: '#4c99db',
    950: '#000000',
  },
}

SCSS

$custom: #4c99db;
$custom-light: #8cb6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c99db",
  "rgb": {
    "r": 76,
    "g": 153,
    "b": 219
  },
  "hsl": {
    "h": 207.692,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.66302,
    "c": 0.12466,
    "h": 246.9
  },
  "luminance": 0.29433
}

Semantic roles & 50–950 ramp

primary

#4C99DB

secondary

#DEBFA5

accent

#8D3EE9

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4C99DB

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

Preview Lab → · Contrast checker → · Palette generator →