#28709B#28709B

#28709B is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.1% C 0.098 H 239.1°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#28709B
RGB	rgb(40, 112, 155)
HSL	hsl(202, 59%, 38%)
HSV	hsv(202, 74%, 61%)
CMYK	cmyk(74.2%, 27.7%, 0%, 39.2%)
CIE-LAB	lab(44.81, -7.27, -29.67)
CIE-LCH	lch(44.81, 30.54, 256.23°)
OKLab	oklab(52.07% -0.0501 -0.0837)
OKLCH	oklch(52.07% 0.098 239.1)
XYZ	xyz(12.5833, 14.4046, 33.1212)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28709B #9B5328

analogous

#289B8C #28709B #28369B

triadic

#28709B #9B2870 #709B28

tetradic

#28709B #8C289B #9B5328 #369B28

square

#28709B #8C289B #9B5328 #369B28

split-complementary

#28709B #9B2836 #9B8C28

monochromatic

#0F2A3A #1B4D6A #28709B #3593CB #66ADD7

Accessibility & contrast

On white

5.41

#28709B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#28709B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28709B

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28709B	#FFFFFF	#000000	##FFFFFF
##28709B	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C709D

Deuteranopia (green-blind)

#4C659A

Tritanopia (blue-blind)

#007B7F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #28709b;
/* rgb */ color: rgb(40, 112, 155);
/* oklch */ color: oklch(52.1% 0.098 239.1);

Tailwind

colors: {
  custom: {
    50: '#7299b8',
    500: '#28709b',
    950: '#000000',
  },
}

SCSS

$custom: #28709b;
$custom-light: #7299b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28709b",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 155
  },
  "hsl": {
    "h": 202.435,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.52069,
    "c": 0.09758,
    "h": 239.1
  },
  "luminance": 0.14406
}

Semantic roles & 50–950 ramp

primary

#28709B

secondary

#BD8461

accent

#8046E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #28709B

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

Preview Lab → · Contrast checker → · Palette generator →