#3993C9#3993C9

#3993C9 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.4% C 0.117 H 239.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3993C9
RGB	rgb(57, 147, 201)
HSL	hsl(203, 57%, 51%)
HSV	hsv(203, 72%, 79%)
CMYK	cmyk(71.6%, 26.9%, 0%, 21.2%)
CIE-LAB	lab(57.99, -8.89, -35.54)
CIE-LCH	lch(57.99, 36.63, 255.95°)
OKLab	oklab(63.36% -0.0602 -0.1003)
OKLCH	oklch(63.36% 0.117 239)
XYZ	xyz(22.6596, 25.9518, 59.0620)
Luminance	0.2595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3993C9 #C96F39

analogous

#39C9B7 #3993C9 #394BC9

triadic

#3993C9 #C93993 #93C939

tetradic

#3993C9 #B739C9 #C96F39 #4BC939

square

#3993C9 #B739C9 #C96F39 #4BC939

split-complementary

#3993C9 #C9394B #C9B739

monochromatic

#1D4D6B #2A709B #3993C9 #69ADD6 #99C7E3

Accessibility & contrast

On white

3.39

#3993C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#3993C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3993C9

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3993C9	#FFFFFF	#000000	##000000
##3993C9	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A93CB

Deuteranopia (green-blind)

#6685C8

Tritanopia (blue-blind)

#00A1A6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3993c9;
/* rgb */ color: rgb(57, 147, 201);
/* oklch */ color: oklch(63.4% 0.117 239.0);

Tailwind

colors: {
  custom: {
    50: '#81b2d9',
    500: '#3993c9',
    950: '#000000',
  },
}

SCSS

$custom: #3993c9;
$custom-light: #81b2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3993c9",
  "rgb": {
    "r": 57,
    "g": 147,
    "b": 201
  },
  "hsl": {
    "h": 202.5,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.63358,
    "c": 0.11692,
    "h": 239
  },
  "luminance": 0.25954
}

Semantic roles & 50–950 ramp

primary

#3993C9

secondary

#CFA78F

accent

#8147E0

background

#F8FAFD

surface

#F0F5FA

border

#CBCFD3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3993C9

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

Preview Lab → · Contrast checker → · Palette generator →