#3981BA#3981BA

#3981BA is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.4% C 0.113 H 245.5°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3981BA
RGB	rgb(57, 129, 186)
HSL	hsl(207, 53%, 48%)
HSV	hsv(207, 69%, 73%)
CMYK	cmyk(69.4%, 30.6%, 0%, 27.1%)
CIE-LAB	lab(51.97, -3.73, -36.45)
CIE-LCH	lch(51.97, 36.64, 264.16°)
OKLab	oklab(58.36% -0.047 -0.1031)
OKLCH	oklch(58.36% 0.113 245.5)
XYZ	xyz(18.3972, 20.1136, 49.3576)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981BA #BA7239

analogous

#39BAB3 #3981BA #3940BA

triadic

#3981BA #BA3981 #81BA39

tetradic

#3981BA #B339BA #BA7239 #40BA39

square

#3981BA #B339BA #BA7239 #40BA39

split-complementary

#3981BA #BA3940 #BAB339

monochromatic

#1C405C #2B618B #3981BA #619ECF #90BBDD

Accessibility & contrast

On white

4.18

#3981BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3981BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981BA

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981BA	#FFFFFF	#000000	##000000
##3981BA	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BC

Deuteranopia (green-blind)

#5676B9

Tritanopia (blue-blind)

#008F95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3981ba;
/* rgb */ color: rgb(57, 129, 186);
/* oklch */ color: oklch(58.4% 0.113 245.5);

Tailwind

colors: {
  custom: {
    50: '#7ea5cf',
    500: '#3981ba',
    950: '#000000',
  },
}

SCSS

$custom: #3981ba;
$custom-light: #7ea5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3981ba",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 186
  },
  "hsl": {
    "h": 206.512,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58363,
    "c": 0.11333,
    "h": 245.5
  },
  "luminance": 0.20116
}

Semantic roles & 50–950 ramp

primary

#3981BA

secondary

#C8A487

accent

#8B4BDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3981BA

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

Preview Lab → · Contrast checker → · Palette generator →