#3977AE#3977AE

#3977AE is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.4% C 0.107 H 247.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3977AE
RGB	rgb(57, 119, 174)
HSL	hsl(208, 51%, 45%)
HSV	hsv(208, 67%, 68%)
CMYK	cmyk(67.2%, 31.6%, 0%, 31.8%)
CIE-LAB	lab(48.41, -2.00, -35.12)
CIE-LCH	lch(48.41, 35.17, 266.74°)
OKLab	oklab(55.37% -0.0404 -0.0993)
OKLCH	oklch(55.37% 0.107 247.8)
XYZ	xyz(15.9213, 17.1179, 42.5012)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977AE #AE7039

analogous

#39AEAA #3977AE #393DAE

triadic

#3977AE #AE3977 #77AE39

tetradic

#3977AE #AA39AE #AE7039 #3DAE39

square

#3977AE #AA39AE #AE7039 #3DAE39

split-complementary

#3977AE #AE393D #AEAA39

monochromatic

#1B3852 #2A5780 #3977AE #5B95C9 #89B3D8

Accessibility & contrast

On white

4.75

#3977AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3977AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3977AE

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977AE	#FFFFFF	#000000	##FFFFFF
##3977AE	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)

#5F79B0

Deuteranopia (green-blind)

#4F6EAD

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3977ae;
/* rgb */ color: rgb(57, 119, 174);
/* oklch */ color: oklch(55.4% 0.107 247.8);

Tailwind

colors: {
  custom: {
    50: '#7c9ec6',
    500: '#3977ae',
    950: '#000000',
  },
}

SCSS

$custom: #3977ae;
$custom-light: #7c9ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3977ae",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 174
  },
  "hsl": {
    "h": 208.205,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5537,
    "c": 0.10722,
    "h": 247.8
  },
  "luminance": 0.1712
}

Semantic roles & 50–950 ramp

primary

#3977AE

secondary

#C39F80

accent

#904EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3977AE

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

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