#3990C4#3990C4

#3990C4 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.114 H 238.8°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3990C4
RGB	rgb(57, 144, 196)
HSL	hsl(202, 55%, 50%)
HSV	hsv(202, 71%, 77%)
CMYK	cmyk(70.9%, 26.5%, 0%, 23.1%)
CIE-LAB	lab(56.88, -8.92, -34.45)
CIE-LCH	lch(56.88, 35.59, 255.49°)
OKLab	oklab(62.4% -0.0589 -0.0971)
OKLCH	oklch(62.4% 0.114 238.8)
XYZ	xyz(21.6205, 24.7995, 55.8612)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3990C4 #C46D39

analogous

#39C4B3 #3990C4 #394BC4

triadic

#3990C4 #C43990 #90C439

tetradic

#3990C4 #B339C4 #C46D39 #4BC439

square

#3990C4 #B339C4 #C46D39 #4BC439

split-complementary

#3990C4 #C4394B #C4B339

monochromatic

#1D4A65 #2B6D95 #3990C4 #67ABD3 #97C5E1

Accessibility & contrast

On white

3.52

#3990C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#3990C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990C4

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3990C4	#FFFFFF	#000000	##000000
##3990C4	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7890C6

Deuteranopia (green-blind)

#6583C3

Tritanopia (blue-blind)

#009DA2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3990c4;
/* rgb */ color: rgb(57, 144, 196);
/* oklch */ color: oklch(62.4% 0.114 238.8);

Tailwind

colors: {
  custom: {
    50: '#80b0d6',
    500: '#3990c4',
    950: '#000000',
  },
}

SCSS

$custom: #3990c4;
$custom-light: #80b0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3990c4",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 196
  },
  "hsl": {
    "h": 202.446,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.62403,
    "c": 0.11358,
    "h": 238.8
  },
  "luminance": 0.24802
}

Semantic roles & 50–950 ramp

primary

#3990C4

secondary

#CCA48D

accent

#814ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3990C4

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

Preview Lab → · Contrast checker → · Palette generator →