#28749B#28749B

#28749B is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.1% C 0.095 H 235.2°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#28749B
RGB	rgb(40, 116, 155)
HSL	hsl(200, 59%, 38%)
HSV	hsv(200, 74%, 61%)
CMYK	cmyk(74.2%, 25.2%, 0%, 39.2%)
CIE-LAB	lab(46.05, -9.62, -27.72)
CIE-LCH	lch(46.05, 29.35, 250.86°)
OKLab	oklab(53.06% -0.0542 -0.0781)
OKLCH	oklch(53.06% 0.095 235.2)
XYZ	xyz(13.0345, 15.3070, 33.2716)
Luminance	0.1531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28749B #9B4F28

analogous

#289B88 #28749B #283A9B

triadic

#28749B #9B2874 #749B28

tetradic

#28749B #88289B #9B4F28 #3A9B28

square

#28749B #88289B #9B4F28 #3A9B28

split-complementary

#28749B #9B283A #9B8828

monochromatic

#0F2B3A #1B506A #28749B #3598CB #66B1D7

Accessibility & contrast

On white

5.17

#28749B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#28749B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28749B

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28749B	#FFFFFF	#000000	##FFFFFF
##28749B	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61739D

Deuteranopia (green-blind)

#52689A

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #28749b;
/* rgb */ color: rgb(40, 116, 155);
/* oklch */ color: oklch(53.1% 0.095 235.2);

Tailwind

colors: {
  custom: {
    50: '#729cb8',
    500: '#28749b',
    950: '#000000',
  },
}

SCSS

$custom: #28749b;
$custom-light: #729cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#28749b",
  "rgb": {
    "r": 40,
    "g": 116,
    "b": 155
  },
  "hsl": {
    "h": 200.348,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.53057,
    "c": 0.09503,
    "h": 235.2
  },
  "luminance": 0.15308
}

Semantic roles & 50–950 ramp

primary

#28749B

secondary

#BD8161

accent

#7B46E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #28749B

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

Preview Lab → · Contrast checker → · Palette generator →