#39728B#39728B

#39728B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.4% C 0.071 H 228.9°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#39728B
RGB	rgb(57, 114, 139)
HSL	hsl(198, 42%, 38%)
HSV	hsv(198, 59%, 55%)
CMYK	cmyk(59%, 18%, 0%, 45.5%)
CIE-LAB	lab(45.31, -10.95, -19.34)
CIE-LCH	lch(45.31, 22.23, 240.50°)
OKLab	oklab(52.4% -0.047 -0.0539)
OKLCH	oklch(52.4% 0.071 228.9)
XYZ	xyz(12.3631, 14.7674, 26.6200)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39728B #8B5239

analogous

#398B7B #39728B #39498B

triadic

#39728B #8B3972 #728B39

tetradic

#39728B #7B398B #8B5239 #498B39

square

#39728B #7B398B #8B5239 #498B39

split-complementary

#39728B #8B3949 #8B7B39

monochromatic

#152B34 #274E60 #39728B #4C95B5 #77AFC7

Accessibility & contrast

On white

5.31

#39728B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#39728B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #39728B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39728B	#FFFFFF	#000000	##FFFFFF
##39728B	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65708C

Deuteranopia (green-blind)

#59678B

Tritanopia (blue-blind)

#00797A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #39728b;
/* rgb */ color: rgb(57, 114, 139);
/* oklch */ color: oklch(52.4% 0.071 228.9);

Tailwind

colors: {
  custom: {
    50: '#779aad',
    500: '#39728b',
    950: '#000000',
  },
}

SCSS

$custom: #39728b;
$custom-light: #779aad;
$custom-dark: #000000;

JSON

{
  "hex": "#39728b",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 139
  },
  "hsl": {
    "h": 198.293,
    "s": 41.837,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52404,
    "c": 0.07149,
    "h": 228.9
  },
  "luminance": 0.14769
}

Semantic roles & 50–950 ramp

primary

#39728B

secondary

#B0836F

accent

#7C56D2

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #39728B

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

Preview Lab → · Contrast checker → · Palette generator →