#3979AD#3979AD

#3979AD is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.104 H 245.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3979AD
RGB	rgb(57, 121, 173)
HSL	hsl(207, 50%, 45%)
HSV	hsv(207, 67%, 68%)
CMYK	cmyk(67.1%, 30.1%, 0%, 32.2%)
CIE-LAB	lab(48.96, -3.54, -33.67)
CIE-LCH	lch(48.96, 33.86, 263.99°)
OKLab	oklab(55.79% -0.0428 -0.0951)
OKLCH	oklch(55.79% 0.104 245.8)
XYZ	xyz(16.0647, 17.5601, 42.0699)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979AD #AD6D39

analogous

#39ADA7 #3979AD #393FAD

triadic

#3979AD #AD3979 #79AD39

tetradic

#3979AD #A739AD #AD6D39 #3FAD39

square

#3979AD #A739AD #AD6D39 #3FAD39

split-complementary

#3979AD #AD393F #ADA739

monochromatic

#1B3951 #2A597F #3979AD #5A97C9 #88B4D8

Accessibility & contrast

On white

4.65

#3979AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3979AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3979AD

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979AD	#FFFFFF	#000000	##FFFFFF
##3979AD	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627BAF

Deuteranopia (green-blind)

#526FAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3979ad;
/* rgb */ color: rgb(57, 121, 173);
/* oklch */ color: oklch(55.8% 0.104 245.8);

Tailwind

colors: {
  custom: {
    50: '#7c9fc5',
    500: '#3979ad',
    950: '#000000',
  },
}

SCSS

$custom: #3979ad;
$custom-light: #7c9fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3979ad",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 173
  },
  "hsl": {
    "h": 206.897,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55787,
    "c": 0.10429,
    "h": 245.8
  },
  "luminance": 0.17562
}

Semantic roles & 50–950 ramp

primary

#3979AD

secondary

#C29D80

accent

#8D4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3979AD

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

Preview Lab → · Contrast checker → · Palette generator →