#3990BD#3990BD

#3990BD is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.1% C 0.106 H 234.9°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3990BD
RGB	rgb(57, 144, 189)
HSL	hsl(200, 54%, 48%)
HSV	hsv(200, 70%, 74%)
CMYK	cmyk(69.8%, 23.8%, 0%, 25.9%)
CIE-LAB	lab(56.57, -11.30, -30.97)
CIE-LCH	lch(56.57, 32.96, 249.95°)
OKLab	oklab(62.06% -0.0612 -0.0871)
OKLCH	oklch(62.06% 0.106 234.9)
XYZ	xyz(20.8423, 24.4882, 51.7625)
Luminance	0.2449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3990BD #BD6639

analogous

#39BDA8 #3990BD #394EBD

triadic

#3990BD #BD3990 #90BD39

tetradic

#3990BD #A839BD #BD6639 #4EBD39

square

#3990BD #A839BD #BD6639 #4EBD39

split-complementary

#3990BD #BD394E #BDA839

monochromatic

#1D485F #2B6C8E #3990BD #63ABD0 #92C4DE

Accessibility & contrast

On white

3.56

#3990BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#3990BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990BD

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3990BD	#FFFFFF	#000000	##000000
##3990BD	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8FBF

Deuteranopia (green-blind)

#6882BC

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3990bd;
/* rgb */ color: rgb(57, 144, 189);
/* oklch */ color: oklch(62.1% 0.106 234.9);

Tailwind

colors: {
  custom: {
    50: '#7fb0d1',
    500: '#3990bd',
    950: '#000000',
  },
}

SCSS

$custom: #3990bd;
$custom-light: #7fb0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3990bd",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 189
  },
  "hsl": {
    "h": 200.455,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.62058,
    "c": 0.10644,
    "h": 234.9
  },
  "luminance": 0.2449
}

Semantic roles & 50–950 ramp

primary

#3990BD

secondary

#C99F89

accent

#7D4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3990BD

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

Preview Lab → · Contrast checker → · Palette generator →