#28739F#28739F

#28739F is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.0% C 0.100 H 238.8°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#28739F
RGB	rgb(40, 115, 159)
HSL	hsl(202, 60%, 39%)
HSV	hsv(202, 75%, 62%)
CMYK	cmyk(74.8%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(45.93, -7.59, -30.28)
CIE-LCH	lch(45.93, 31.21, 255.92°)
OKLab	oklab(53.02% -0.0518 -0.0855)
OKLCH	oklch(53.02% 0.1 238.8)
XYZ	xyz(13.2614, 15.2143, 35.0319)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28739F #9F5428

analogous

#289F90 #28739F #28389F

triadic

#28739F #9F2873 #739F28

tetradic

#28739F #90289F #9F5428 #389F28

square

#28739F #90289F #9F5428 #389F28

split-complementary

#28739F #9F2838 #9F9028

monochromatic

#0F2C3D #1C506E #28739F #3796CD #68AFD9

Accessibility & contrast

On white

5.19

#28739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#28739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28739F

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28739F	#FFFFFF	#000000	##FFFFFF
##28739F	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E73A1

Deuteranopia (green-blind)

#4E689E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #28739f;
/* rgb */ color: rgb(40, 115, 159);
/* oklch */ color: oklch(53.0% 0.100 238.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28739f",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 202.185,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.53018,
    "c": 0.09992,
    "h": 238.8
  },
  "luminance": 0.15216
}

Semantic roles & 50–950 ramp

primary

#28739F

secondary

#BF8564

accent

#7F45E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #28739F

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

Preview Lab → · Contrast checker → · Palette generator →