#3979AF#3979AF

#3979AF is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.9% C 0.107 H 246.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3979AF
RGB	rgb(57, 121, 175)
HSL	hsl(207, 51%, 45%)
HSV	hsv(207, 67%, 69%)
CMYK	cmyk(67.4%, 30.9%, 0%, 31.4%)
CIE-LAB	lab(49.05, -2.84, -34.68)
CIE-LCH	lch(49.05, 34.80, 265.31°)
OKLab	oklab(55.89% -0.0422 -0.098)
OKLCH	oklch(55.89% 0.107 246.7)
XYZ	xyz(16.2597, 17.6381, 43.0967)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979AF #AF6F39

analogous

#39AFAA #3979AF #393EAF

triadic

#3979AF #AF3979 #79AF39

tetradic

#3979AF #AA39AF #AF6F39 #3EAF39

square

#3979AF #AA39AF #AF6F39 #3EAF39

split-complementary

#3979AF #AF393E #AFAA39

monochromatic

#1B3953 #2A5981 #3979AF #5B97CA #8AB5D9

Accessibility & contrast

On white

4.64

#3979AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3979AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3979AF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979AF	#FFFFFF	#000000	##FFFFFF
##3979AF	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617BB1

Deuteranopia (green-blind)

#516FAE

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3979af;
/* rgb */ color: rgb(57, 121, 175);
/* oklch */ color: oklch(55.9% 0.107 246.7);

Tailwind

colors: {
  custom: {
    50: '#7c9fc7',
    500: '#3979af',
    950: '#000000',
  },
}

SCSS

$custom: #3979af;
$custom-light: #7c9fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3979af",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 175
  },
  "hsl": {
    "h": 207.458,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55894,
    "c": 0.10673,
    "h": 246.7
  },
  "luminance": 0.1764
}

Semantic roles & 50–950 ramp

primary

#3979AF

secondary

#C39F81

accent

#8E4DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3979AF

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

Preview Lab → · Contrast checker → · Palette generator →