#39739B#39739B

#39739B is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.4% C 0.087 H 241.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#39739B
RGB	rgb(57, 115, 155)
HSL	hsl(204, 46%, 42%)
HSV	hsv(204, 63%, 61%)
CMYK	cmyk(63.2%, 25.8%, 0%, 39.2%)
CIE-LAB	lab(46.31, -6.20, -27.28)
CIE-LCH	lch(46.31, 27.98, 257.20°)
OKLab	oklab(53.42% -0.0422 -0.0766)
OKLCH	oklch(53.42% 0.088 241.1)
XYZ	xyz(13.7322, 15.4965, 33.2714)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39739B #9B6139

analogous

#399B92 #39739B #39429B

triadic

#39739B #9B3973 #739B39

tetradic

#39739B #92399B #9B6139 #429B39

square

#39739B #92399B #9B6139 #429B39

split-complementary

#39739B #9B3942 #9B9239

monochromatic

#183142 #29526E #39739B #5293BF #7FAFD0

Accessibility & contrast

On white

5.12

#39739B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#39739B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #39739B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39739B	#FFFFFF	#000000	##FFFFFF
##39739B	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61739D

Deuteranopia (green-blind)

#54699A

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #39739b;
/* rgb */ color: rgb(57, 115, 155);
/* oklch */ color: oklch(53.4% 0.087 241.1);

Tailwind

colors: {
  custom: {
    50: '#799bb8',
    500: '#39739b',
    950: '#000000',
  },
}

SCSS

$custom: #39739b;
$custom-light: #799bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#39739b",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 155
  },
  "hsl": {
    "h": 204.49,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53418,
    "c": 0.0875,
    "h": 241.1
  },
  "luminance": 0.15498
}

Semantic roles & 50–950 ramp

primary

#39739B

secondary

#B99277

accent

#8852D6

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #39739B

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

Preview Lab → · Contrast checker → · Palette generator →