#28748B#28748B

#28748B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.3% C 0.081 H 221.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#28748B
RGB	rgb(40, 116, 139)
HSL	hsl(194, 55%, 35%)
HSV	hsv(194, 71%, 55%)
CMYK	cmyk(71.2%, 16.5%, 0%, 45.5%)
CIE-LAB	lab(45.37, -15.22, -19.32)
CIE-LCH	lch(45.37, 24.59, 231.75°)
OKLab	oklab(52.28% -0.0603 -0.0539)
OKLCH	oklch(52.28% 0.081 221.8)
XYZ	xyz(11.7788, 14.8047, 26.6579)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28748B #8B3F28

analogous

#288B70 #28748B #28438B

triadic

#28748B #8B2874 #748B28

tetradic

#28748B #70288B #8B3F28 #438B28

square

#28748B #70288B #8B3F28 #438B28

split-complementary

#28748B #8B2843 #8B7028

monochromatic

#0D252C #1A4C5B #28748B #369CBB #5DB6D0

Accessibility & contrast

On white

5.30

#28748B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#28748B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28748B

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28748B	#FFFFFF	#000000	##FFFFFF
##28748B	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718C

Deuteranopia (green-blind)

#59678B

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #28748b;
/* rgb */ color: rgb(40, 116, 139);
/* oklch */ color: oklch(52.3% 0.081 221.8);

Tailwind

colors: {
  custom: {
    50: '#709cad',
    500: '#28748b',
    950: '#000000',
  },
}

SCSS

$custom: #28748b;
$custom-light: #709cad;
$custom-dark: #000000;

JSON

{
  "hex": "#28748b",
  "rgb": {
    "r": 40,
    "g": 116,
    "b": 139
  },
  "hsl": {
    "h": 193.939,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.52282,
    "c": 0.08091,
    "h": 221.8
  },
  "luminance": 0.14806
}

Semantic roles & 50–950 ramp

primary

#28748B

secondary

#B66F59

accent

#6C49DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #28748B

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

Preview Lab → · Contrast checker → · Palette generator →