#3981BD#3981BD

#3981BD is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.5% C 0.117 H 246.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3981BD
RGB	rgb(57, 129, 189)
HSL	hsl(207, 54%, 48%)
HSV	hsv(207, 70%, 74%)
CMYK	cmyk(69.8%, 31.7%, 0%, 25.9%)
CIE-LAB	lab(52.11, -2.67, -37.95)
CIE-LCH	lch(52.11, 38.04, 265.97°)
OKLab	oklab(58.53% -0.0461 -0.1074)
OKLCH	oklch(58.53% 0.117 246.8)
XYZ	xyz(18.7194, 20.2425, 51.0549)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981BD #BD7539

analogous

#39BDB7 #3981BD #393FBD

triadic

#3981BD #BD3981 #81BD39

tetradic

#3981BD #B739BD #BD7539 #3FBD39

square

#3981BD #B739BD #BD7539 #3FBD39

split-complementary

#3981BD #BD393F #BDB739

monochromatic

#1D415F #2B618E #3981BD #639FD0 #92BCDE

Accessibility & contrast

On white

4.16

#3981BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3981BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981BD

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981BD	#FFFFFF	#000000	##000000
##3981BD	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683C0

Deuteranopia (green-blind)

#5477BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3981bd;
/* rgb */ color: rgb(57, 129, 189);
/* oklch */ color: oklch(58.5% 0.117 246.8);

Tailwind

colors: {
  custom: {
    50: '#7fa5d1',
    500: '#3981bd',
    950: '#000000',
  },
}

SCSS

$custom: #3981bd;
$custom-light: #7fa5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3981bd",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 207.273,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58525,
    "c": 0.11693,
    "h": 246.8
  },
  "luminance": 0.20244
}

Semantic roles & 50–950 ramp

primary

#3981BD

secondary

#C9A689

accent

#8D4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3981BD

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

Preview Lab → · Contrast checker → · Palette generator →