#3981AD#3981AD

#3981AD is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.7% C 0.099 H 238.6°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3981AD
RGB	rgb(57, 129, 173)
HSL	hsl(203, 50%, 45%)
HSV	hsv(203, 67%, 68%)
CMYK	cmyk(67.1%, 25.4%, 0%, 32.2%)
CIE-LAB	lab(51.37, -8.23, -29.91)
CIE-LCH	lch(51.37, 31.02, 254.62°)
OKLab	oklab(57.69% -0.0513 -0.0841)
OKLCH	oklch(57.69% 0.099 238.6)
XYZ	xyz(17.0775, 19.5857, 42.4075)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981AD #AD6539

analogous

#39AD9F #3981AD #3947AD

triadic

#3981AD #AD3981 #81AD39

tetradic

#3981AD #9F39AD #AD6539 #47AD39

square

#3981AD #9F39AD #AD6539 #47AD39

split-complementary

#3981AD #AD3947 #AD9F39

monochromatic

#1B3C51 #2A5F7F #3981AD #5A9FC9 #88BAD8

Accessibility & contrast

On white

4.27

#3981AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3981AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981AD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981AD	#FFFFFF	#000000	##000000
##3981AD	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D81AF

Deuteranopia (green-blind)

#5D75AC

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3981ad;
/* rgb */ color: rgb(57, 129, 173);
/* oklch */ color: oklch(57.7% 0.099 238.6);

Tailwind

colors: {
  custom: {
    50: '#7ca5c5',
    500: '#3981ad',
    950: '#000000',
  },
}

SCSS

$custom: #3981ad;
$custom-light: #7ca5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3981ad",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 173
  },
  "hsl": {
    "h": 202.759,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57691,
    "c": 0.09851,
    "h": 238.6
  },
  "luminance": 0.19588
}

Semantic roles & 50–950 ramp

primary

#3981AD

secondary

#C29980

accent

#834EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3981AD

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

Preview Lab → · Contrast checker → · Palette generator →