#28739E#28739E

#28739E is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.0% C 0.099 H 238.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#28739E
RGB	rgb(40, 115, 158)
HSL	hsl(202, 60%, 39%)
HSV	hsv(202, 75%, 62%)
CMYK	cmyk(74.7%, 27.2%, 0%, 38%)
CIE-LAB	lab(45.88, -7.96, -29.76)
CIE-LCH	lch(45.88, 30.81, 255.03°)
OKLab	oklab(52.97% -0.0521 -0.084)
OKLCH	oklch(52.97% 0.099 238.2)
XYZ	xyz(13.1749, 15.1797, 34.5767)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28739E #9E5328

analogous

#289E8E #28739E #28389E

triadic

#28739E #9E2873 #739E28

tetradic

#28739E #8E289E #9E5328 #389E28

square

#28739E #8E289E #9E5328 #389E28

split-complementary

#28739E #9E2838 #9E8E28

monochromatic

#0F2C3C #1C4F6D #28739E #3796CC #68B0D9

Accessibility & contrast

On white

5.20

#28739E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#28739E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28739E

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28739E	#FFFFFF	#000000	##FFFFFF
##28739E	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F73A0

Deuteranopia (green-blind)

#4F689D

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #28739e;
/* rgb */ color: rgb(40, 115, 158);
/* oklch */ color: oklch(53.0% 0.099 238.2);

Tailwind

colors: {
  custom: {
    50: '#739bbb',
    500: '#28739e',
    950: '#000000',
  },
}

SCSS

$custom: #28739e;
$custom-light: #739bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#28739e",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 158
  },
  "hsl": {
    "h": 201.864,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.52966,
    "c": 0.09883,
    "h": 238.2
  },
  "luminance": 0.15181
}

Semantic roles & 50–950 ramp

primary

#28739E

secondary

#BF8463

accent

#7F45E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #28739E

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

Preview Lab → · Contrast checker → · Palette generator →