#3C99D8#3C99D8

#3C99D8 is a light, vivid cyan. Relative luminance 0.287; OKLCH L 65.6% C 0.128 H 242.2°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3C99D8
RGB	rgb(60, 153, 216)
HSL	hsl(204, 67%, 54%)
HSV	hsv(204, 72%, 85%)
CMYK	cmyk(72.2%, 29.2%, 0%, 15.3%)
CIE-LAB	lab(60.51, -6.71, -39.98)
CIE-LCH	lch(60.51, 40.54, 260.47°)
OKLab	oklab(65.6% -0.0595 -0.1131)
OKLCH	oklch(65.6% 0.128 242.2)
XYZ	xyz(25.6446, 28.6981, 69.1402)
Luminance	0.2870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C99D8 #D87B3C

analogous

#3CD8C9 #3C99D8 #3C4BD8

triadic

#3C99D8 #D83C99 #99D83C

tetradic

#3C99D8 #C93CD8 #D87B3C #4BD83C

square

#3C99D8 #C93CD8 #D87B3C #4BD83C

split-complementary

#3C99D8 #D83C4B #D8C93C

monochromatic

#1A5780 #2479B3 #3C99D8 #6FB4E2 #A2CEEC

Accessibility & contrast

On white

3.12

#3C99D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#3C99D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C99D8

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C99D8	#FFFFFF	#000000	##000000
##3C99D8	1.00	3.12	6.74	6.74
#FFFFFF	3.12	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)

#7C9ADB

Deuteranopia (green-blind)

#668BD7

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3c99d8;
/* rgb */ color: rgb(60, 153, 216);
/* oklch */ color: oklch(65.6% 0.128 242.2);

Tailwind

colors: {
  custom: {
    50: '#85b6e4',
    500: '#3c99d8',
    950: '#000000',
  },
}

SCSS

$custom: #3c99d8;
$custom-light: #85b6e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3c99d8",
  "rgb": {
    "r": 60,
    "g": 153,
    "b": 216
  },
  "hsl": {
    "h": 204.231,
    "s": 66.667,
    "l": 54.118
  },
  "oklch": {
    "l": 0.65604,
    "c": 0.12778,
    "h": 242.2
  },
  "luminance": 0.28701
}

Semantic roles & 50–950 ramp

primary

#3C99D8

secondary

#D9B297

accent

#833EEA

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1115

muted

#7D8084

Preview Lab

Preview with #3C99D8

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

Preview Lab → · Contrast checker → · Palette generator →