#28739D#28739D

#28739D is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.9% C 0.098 H 237.6°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#28739D
RGB	rgb(40, 115, 157)
HSL	hsl(202, 59%, 39%)
HSV	hsv(202, 75%, 62%)
CMYK	cmyk(74.5%, 26.8%, 0%, 38.4%)
CIE-LAB	lab(45.83, -8.32, -29.24)
CIE-LCH	lch(45.83, 30.40, 254.12°)
OKLab	oklab(52.91% -0.0524 -0.0825)
OKLCH	oklch(52.91% 0.098 237.6)
XYZ	xyz(13.0892, 15.1454, 34.1253)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28739D #9D5228

analogous

#289D8C #28739D #28399D

triadic

#28739D #9D2873 #739D28

tetradic

#28739D #8C289D #9D5228 #399D28

square

#28739D #8C289D #9D5228 #399D28

split-complementary

#28739D #9D2839 #9D8C28

monochromatic

#0F2C3B #1C4F6C #28739D #3696CC #67B0D8

Accessibility & contrast

On white

5.21

#28739D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#28739D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28739D

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28739D	#FFFFFF	#000000	##FFFFFF
##28739D	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F739F

Deuteranopia (green-blind)

#4F689C

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #28739d;
/* rgb */ color: rgb(40, 115, 157);
/* oklch */ color: oklch(52.9% 0.098 237.6);

Tailwind

colors: {
  custom: {
    50: '#729bba',
    500: '#28739d',
    950: '#000000',
  },
}

SCSS

$custom: #28739d;
$custom-light: #729bba;
$custom-dark: #000000;

JSON

{
  "hex": "#28739d",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 157
  },
  "hsl": {
    "h": 201.538,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52913,
    "c": 0.09775,
    "h": 237.6
  },
  "luminance": 0.15147
}

Semantic roles & 50–950 ramp

primary

#28739D

secondary

#BE8362

accent

#7E45E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #28739D

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

Preview Lab → · Contrast checker → · Palette generator →