#3F72AF#3F72AF

#3F72AF is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.5% C 0.111 H 254.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F72AF
RGB	rgb(63, 114, 175)
HSL	hsl(213, 47%, 47%)
HSV	hsv(213, 64%, 69%)
CMYK	cmyk(64%, 34.9%, 0%, 31.4%)
CIE-LAB	lab(47.22, 2.45, -37.56)
CIE-LCH	lch(47.22, 37.64, 273.73°)
OKLab	oklab(54.52% -0.0303 -0.1064)
OKLCH	oklch(54.52% 0.111 254.1)
XYZ	xyz(15.8023, 16.1850, 42.8404)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F72AF #AF7C3F

analogous

#3FAAAF #3F72AF #443FAF

triadic

#3F72AF #AF3F72 #72AF3F

tetradic

#3F72AF #AF3FAA #AF7C3F #3FAF44

square

#3F72AF #AF3FAA #AF7C3F #3FAF44

split-complementary

#3F72AF #AF443F #AAAF3F

monochromatic

#1F3755 #2F5582 #3F72AF #6491C7 #91B1D7

Accessibility & contrast

On white

4.96

#3F72AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3F72AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F72AF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F72AF	#FFFFFF	#000000	##FFFFFF
##3F72AF	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5876B2

Deuteranopia (green-blind)

#486BAE

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f72af;
/* rgb */ color: rgb(63, 114, 175);
/* oklch */ color: oklch(54.5% 0.111 254.1);

Tailwind

colors: {
  custom: {
    50: '#7f9ac7',
    500: '#3f72af',
    950: '#000000',
  },
}

SCSS

$custom: #3f72af;
$custom-light: #7f9ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f72af",
  "rgb": {
    "r": 63,
    "g": 114,
    "b": 175
  },
  "hsl": {
    "h": 212.679,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54517,
    "c": 0.11065,
    "h": 254.1
  },
  "luminance": 0.16187
}

Semantic roles & 50–950 ramp

primary

#3F72AF

secondary

#C3A887

accent

#9A51D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3F72AF

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

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