#28739C#28739C

#28739C is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.9% C 0.097 H 236.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#28739C
RGB	rgb(40, 115, 156)
HSL	hsl(201, 59%, 38%)
HSV	hsv(201, 74%, 61%)
CMYK	cmyk(74.4%, 26.3%, 0%, 38.8%)
CIE-LAB	lab(45.79, -8.68, -28.73)
CIE-LCH	lch(45.79, 30.01, 253.19°)
OKLab	oklab(52.86% -0.0528 -0.081)
OKLCH	oklch(52.86% 0.097 236.9)
XYZ	xyz(13.0042, 15.1114, 33.6775)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28739C #9C5128

analogous

#289C8B #28739C #28399C

triadic

#28739C #9C2873 #739C28

tetradic

#28739C #8B289C #9C5128 #399C28

square

#28739C #8B289C #9C5128 #399C28

split-complementary

#28739C #9C2839 #9C8B28

monochromatic

#0F2B3B #1C4F6B #28739C #3697CB #67B0D8

Accessibility & contrast

On white

5.22

#28739C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#28739C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28739C

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28739C	#FFFFFF	#000000	##FFFFFF
##28739C	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F739E

Deuteranopia (green-blind)

#50679B

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #28739c;
/* rgb */ color: rgb(40, 115, 156);
/* oklch */ color: oklch(52.9% 0.097 236.9);

Tailwind

colors: {
  custom: {
    50: '#729bb9',
    500: '#28739c',
    950: '#000000',
  },
}

SCSS

$custom: #28739c;
$custom-light: #729bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#28739c",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 156
  },
  "hsl": {
    "h": 201.207,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52861,
    "c": 0.09668,
    "h": 236.9
  },
  "luminance": 0.15113
}

Semantic roles & 50–950 ramp

primary

#28739C

secondary

#BE8262

accent

#7D45E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #28739C

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

Preview Lab → · Contrast checker → · Palette generator →