#3F7597#3F7597

#3F7597 is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.0% C 0.078 H 238.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F7597
RGB	rgb(63, 117, 151)
HSL	hsl(203, 41%, 42%)
HSV	hsv(203, 58%, 59%)
CMYK	cmyk(58.3%, 22.5%, 0%, 40.8%)
CIE-LAB	lab(46.99, -7.49, -23.85)
CIE-LCH	lch(46.99, 24.99, 252.57°)
OKLab	oklab(53.97% -0.0413 -0.0667)
OKLCH	oklch(53.97% 0.078 238.2)
XYZ	xyz(13.9950, 16.0124, 31.6253)
Luminance	0.1601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7597 #97613F

analogous

#3F978D #3F7597 #3F4997

triadic

#3F7597 #973F75 #75973F

tetradic

#3F7597 #8D3F97 #97613F #49973F

square

#3F7597 #8D3F97 #97613F #49973F

split-complementary

#3F7597 #973F49 #978D3F

monochromatic

#1B3241 #2D546C #3F7597 #5995BA #85B0CC

Accessibility & contrast

On white

5.00

#3F7597 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3F7597 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7597

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7597	#FFFFFF	#000000	##FFFFFF
##3F7597	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657599

Deuteranopia (green-blind)

#596B96

Tritanopia (blue-blind)

#007E80

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f7597;
/* rgb */ color: rgb(63, 117, 151);
/* oklch */ color: oklch(54.0% 0.078 238.2);

Tailwind

colors: {
  custom: {
    50: '#7b9cb5',
    500: '#3f7597',
    950: '#000000',
  },
}

SCSS

$custom: #3f7597;
$custom-light: #7b9cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7597",
  "rgb": {
    "r": 63,
    "g": 117,
    "b": 151
  },
  "hsl": {
    "h": 203.182,
    "s": 41.121,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5397,
    "c": 0.07845,
    "h": 238.2
  },
  "luminance": 0.16014
}

Semantic roles & 50–950 ramp

primary

#3F7597

secondary

#B6927C

accent

#8657D1

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #3F7597

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

Preview Lab → · Contrast checker → · Palette generator →