#28637D#28637D

#28637D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.074 H 230.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#28637D
RGB	rgb(40, 99, 125)
HSL	hsl(198, 52%, 32%)
HSV	hsv(198, 68%, 49%)
CMYK	cmyk(68%, 20.8%, 0%, 51%)
CIE-LAB	lab(39.33, -10.30, -20.18)
CIE-LCH	lch(39.33, 22.66, 242.96°)
OKLab	oklab(47.27% -0.0472 -0.0565)
OKLCH	oklch(47.27% 0.074 230.1)
XYZ	xyz(9.0371, 10.8545, 21.0169)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28637D #7D4228

analogous

#287D6D #28637D #28397D

triadic

#28637D #7D2863 #637D28

tetradic

#28637D #6D287D #7D4228 #397D28

square

#28637D #6D287D #7D4228 #397D28

split-complementary

#28637D #7D2839 #7D6D28

monochromatic

#0A1A20 #193E4F #28637D #3788AB #56A6C9

Accessibility & contrast

On white

6.62

#28637D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#28637D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28637D

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28637D	#FFFFFF	#000000	##FFFFFF
##28637D	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56627E

Deuteranopia (green-blind)

#4A597D

Tritanopia (blue-blind)

#006A6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #28637d;
/* rgb */ color: rgb(40, 99, 125);
/* oklch */ color: oklch(47.3% 0.074 230.1);

Tailwind

colors: {
  custom: {
    50: '#6c8fa2',
    500: '#28637d',
    950: '#000000',
  },
}

SCSS

$custom: #28637d;
$custom-light: #6c8fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#28637d",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 198.353,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.47266,
    "c": 0.07359,
    "h": 230.1
  },
  "luminance": 0.10855
}

Semantic roles & 50–950 ramp

primary

#28637D

secondary

#AE6F53

accent

#784DDB

background

#F6F8FA

surface

#ECF0F3

border

#C7CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #28637D

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

Preview Lab → · Contrast checker → · Palette generator →