#3977AF#3977AF

#3977AF is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.108 H 248.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3977AF
RGB	rgb(57, 119, 175)
HSL	hsl(208, 51%, 45%)
HSV	hsv(208, 67%, 69%)
CMYK	cmyk(67.4%, 32%, 0%, 31.4%)
CIE-LAB	lab(48.46, -1.65, -35.62)
CIE-LCH	lch(48.46, 35.66, 267.35°)
OKLab	oklab(55.42% -0.0401 -0.1008)
OKLCH	oklch(55.42% 0.108 248.3)
XYZ	xyz(16.0191, 17.1570, 43.0165)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977AF #AF7139

analogous

#39AFAC #3977AF #393CAF

triadic

#3977AF #AF3977 #77AF39

tetradic

#3977AF #AC39AF #AF7139 #3CAF39

square

#3977AF #AC39AF #AF7139 #3CAF39

split-complementary

#3977AF #AF393C #AFAC39

monochromatic

#1B3853 #2A5881 #3977AF #5B95CA #8AB3D9

Accessibility & contrast

On white

4.74

#3977AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3977AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3977AF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977AF	#FFFFFF	#000000	##FFFFFF
##3977AF	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E79B1

Deuteranopia (green-blind)

#4E6EAE

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3977af;
/* rgb */ color: rgb(57, 119, 175);
/* oklch */ color: oklch(55.4% 0.108 248.3);

Tailwind

colors: {
  custom: {
    50: '#7c9ec7',
    500: '#3977af',
    950: '#000000',
  },
}

SCSS

$custom: #3977af;
$custom-light: #7c9ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3977af",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 175
  },
  "hsl": {
    "h": 208.475,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55424,
    "c": 0.10848,
    "h": 248.3
  },
  "luminance": 0.17159
}

Semantic roles & 50–950 ramp

primary

#3977AF

secondary

#C3A081

accent

#904DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3977AF

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

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