#3990BA#3990BA

#3990BA is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.104 H 233.0°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3990BA
RGB	rgb(57, 144, 186)
HSL	hsl(200, 53%, 48%)
HSV	hsv(200, 69%, 73%)
CMYK	cmyk(69.4%, 22.6%, 0%, 27.1%)
CIE-LAB	lab(56.45, -12.32, -29.46)
CIE-LCH	lch(56.45, 31.93, 247.31°)
OKLab	oklab(61.92% -0.0623 -0.0827)
OKLCH	oklch(61.92% 0.104 233)
XYZ	xyz(20.5200, 24.3593, 50.0652)
Luminance	0.2436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3990BA #BA6339

analogous

#39BAA3 #3990BA #394FBA

triadic

#3990BA #BA3990 #90BA39

tetradic

#3990BA #A339BA #BA6339 #4FBA39

square

#3990BA #A339BA #BA6339 #4FBA39

split-complementary

#3990BA #BA394F #BAA339

monochromatic

#1C475C #2B6C8B #3990BA #61ABCF #90C4DD

Accessibility & contrast

On white

3.58

#3990BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3990BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990BA

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3990BA	#FFFFFF	#000000	##000000
##3990BA	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBC

Deuteranopia (green-blind)

#6A82B9

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3990ba;
/* rgb */ color: rgb(57, 144, 186);
/* oklch */ color: oklch(61.9% 0.104 233.0);

Tailwind

colors: {
  custom: {
    50: '#7fb0cf',
    500: '#3990ba',
    950: '#000000',
  },
}

SCSS

$custom: #3990ba;
$custom-light: #7fb0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3990ba",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 186
  },
  "hsl": {
    "h": 199.535,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61915,
    "c": 0.10355,
    "h": 233
  },
  "luminance": 0.24362
}

Semantic roles & 50–950 ramp

primary

#3990BA

secondary

#C89C87

accent

#7B4BDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3990BA

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

Preview Lab → · Contrast checker → · Palette generator →