#3981BE#3981BE

#3981BE is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.118 H 247.2°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3981BE
RGB	rgb(57, 129, 190)
HSL	hsl(208, 54%, 48%)
HSV	hsv(208, 70%, 75%)
CMYK	cmyk(70%, 32.1%, 0%, 25.5%)
CIE-LAB	lab(52.16, -2.32, -38.44)
CIE-LCH	lch(52.16, 38.51, 266.55°)
OKLab	oklab(58.58% -0.0458 -0.1089)
OKLCH	oklch(58.58% 0.118 247.2)
XYZ	xyz(18.8284, 20.2860, 51.6285)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981BE #BE7639

analogous

#39BEB8 #3981BE #393EBE

triadic

#3981BE #BE3981 #81BE39

tetradic

#3981BE #B839BE #BE7639 #3EBE39

square

#3981BE #B839BE #BE7639 #3EBE39

split-complementary

#3981BE #BE393E #BEB839

monochromatic

#1D4160 #2B618F #3981BE #649FD0 #93BCDF

Accessibility & contrast

On white

4.15

#3981BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3981BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981BE

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981BE	#FFFFFF	#000000	##000000
##3981BE	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683C1

Deuteranopia (green-blind)

#5377BD

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3981be;
/* rgb */ color: rgb(57, 129, 190);
/* oklch */ color: oklch(58.6% 0.118 247.2);

Tailwind

colors: {
  custom: {
    50: '#7fa5d2',
    500: '#3981be',
    950: '#000000',
  },
}

SCSS

$custom: #3981be;
$custom-light: #7fa5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3981be",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 190
  },
  "hsl": {
    "h": 207.519,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.58579,
    "c": 0.11814,
    "h": 247.2
  },
  "luminance": 0.20288
}

Semantic roles & 50–950 ramp

primary

#3981BE

secondary

#CAA789

accent

#8E4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3981BE

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

Preview Lab → · Contrast checker → · Palette generator →