#3F70AF#3F70AF

#3F70AF is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 54.1% C 0.113 H 255.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F70AF
RGB	rgb(63, 112, 175)
HSL	hsl(214, 47%, 47%)
HSV	hsv(214, 64%, 69%)
CMYK	cmyk(64%, 36%, 0%, 31.4%)
CIE-LAB	lab(46.63, 3.68, -38.49)
CIE-LCH	lch(46.63, 38.66, 275.46°)
OKLab	oklab(54.06% -0.0282 -0.1091)
OKLCH	oklch(54.06% 0.113 255.5)
XYZ	xyz(15.5791, 15.7388, 42.7660)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F70AF #AF7E3F

analogous

#3FA8AF #3F70AF #463FAF

triadic

#3F70AF #AF3F70 #70AF3F

tetradic

#3F70AF #AF3FA8 #AF7E3F #3FAF46

square

#3F70AF #AF3FA8 #AF7E3F #3FAF46

split-complementary

#3F70AF #AF463F #A8AF3F

monochromatic

#1F3655 #2F5382 #3F70AF #648FC7 #91B0D7

Accessibility & contrast

On white

5.06

#3F70AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3F70AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F70AF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F70AF	#FFFFFF	#000000	##FFFFFF
##3F70AF	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5574B2

Deuteranopia (green-blind)

#456AAE

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f70af;
/* rgb */ color: rgb(63, 112, 175);
/* oklch */ color: oklch(54.1% 0.113 255.5);

Tailwind

colors: {
  custom: {
    50: '#7f98c7',
    500: '#3f70af',
    950: '#000000',
  },
}

SCSS

$custom: #3f70af;
$custom-light: #7f98c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f70af",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 175
  },
  "hsl": {
    "h": 213.75,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54059,
    "c": 0.11272,
    "h": 255.5
  },
  "luminance": 0.1574
}

Semantic roles & 50–950 ramp

primary

#3F70AF

secondary

#C3A987

accent

#9C51D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3F70AF

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

Preview Lab → · Contrast checker → · Palette generator →