#28738D#28738D

#28738D is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.1% C 0.083 H 225.0°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#28738D
RGB	rgb(40, 115, 141)
HSL	hsl(195, 56%, 35%)
HSV	hsv(195, 72%, 55%)
CMYK	cmyk(71.6%, 18.4%, 0%, 44.7%)
CIE-LAB	lab(45.13, -13.97, -20.87)
CIE-LCH	lch(45.13, 25.11, 236.19°)
OKLab	oklab(52.12% -0.0584 -0.0584)
OKLCH	oklch(52.12% 0.083 225)
XYZ	xyz(11.8116, 14.6343, 27.3963)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28738D #8D4228

analogous

#288D75 #28738D #28408D

triadic

#28738D #8D2873 #738D28

tetradic

#28738D #75288D #8D4228 #408D28

square

#28738D #75288D #8D4228 #408D28

split-complementary

#28738D #8D2840 #8D7528

monochromatic

#0D252E #1A4C5D #28738D #369ABD #5EB4D1

Accessibility & contrast

On white

5.35

#28738D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#28738D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28738D

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28738D	#FFFFFF	#000000	##FFFFFF
##28738D	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65718E

Deuteranopia (green-blind)

#57668D

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #28738d;
/* rgb */ color: rgb(40, 115, 141);
/* oklch */ color: oklch(52.1% 0.083 225.0);

Tailwind

colors: {
  custom: {
    50: '#709bae',
    500: '#28738d',
    950: '#000000',
  },
}

SCSS

$custom: #28738d;
$custom-light: #709bae;
$custom-dark: #000000;

JSON

{
  "hex": "#28738d",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 195.446,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.5212,
    "c": 0.08259,
    "h": 225
  },
  "luminance": 0.14636
}

Semantic roles & 50–950 ramp

primary

#28738D

secondary

#B7725A

accent

#6F49DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #28738D

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

Preview Lab → · Contrast checker → · Palette generator →