#3979A1#3979A1

#3979A1 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.090 H 238.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3979A1
RGB	rgb(57, 121, 161)
HSL	hsl(203, 48%, 43%)
HSV	hsv(203, 65%, 63%)
CMYK	cmyk(64.6%, 24.8%, 0%, 36.9%)
CIE-LAB	lab(48.41, -7.68, -27.54)
CIE-LCH	lch(48.41, 28.59, 254.42°)
OKLab	oklab(55.17% -0.0468 -0.0773)
OKLCH	oklch(55.17% 0.09 238.8)
XYZ	xyz(14.9553, 17.1163, 36.2269)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3979A1 #A16139

analogous

#39A195 #3979A1 #3945A1

triadic

#3979A1 #A13979 #79A139

tetradic

#3979A1 #9539A1 #A16139 #45A139

square

#3979A1 #9539A1 #A16139 #45A139

split-complementary

#3979A1 #A13945 #A19539

monochromatic

#193547 #295774 #3979A1 #5598C3 #82B4D3

Accessibility & contrast

On white

4.75

#3979A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3979A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3979A1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3979A1	#FFFFFF	#000000	##FFFFFF
##3979A1	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A3

Deuteranopia (green-blind)

#586EA0

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3979a1;
/* rgb */ color: rgb(57, 121, 161);
/* oklch */ color: oklch(55.2% 0.090 238.8);

Tailwind

colors: {
  custom: {
    50: '#7a9fbd',
    500: '#3979a1',
    950: '#000000',
  },
}

SCSS

$custom: #3979a1;
$custom-light: #7a9fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#3979a1",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 161
  },
  "hsl": {
    "h": 203.077,
    "s": 47.706,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55169,
    "c": 0.09041,
    "h": 238.8
  },
  "luminance": 0.17118
}

Semantic roles & 50–950 ramp

primary

#3979A1

secondary

#BC9379

accent

#8450D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3979A1

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

Preview Lab → · Contrast checker → · Palette generator →