#28637E#28637E

#28637E is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.075 H 231.1°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#28637E
RGB	rgb(40, 99, 126)
HSL	hsl(199, 52%, 33%)
HSV	hsv(199, 68%, 49%)
CMYK	cmyk(68.3%, 21.4%, 0%, 50.6%)
CIE-LAB	lab(39.38, -9.95, -20.72)
CIE-LCH	lch(39.38, 22.99, 244.35°)
OKLab	oklab(47.32% -0.0468 -0.058)
OKLCH	oklch(47.32% 0.075 231.1)
XYZ	xyz(9.1013, 10.8802, 21.3551)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28637E #7E4328

analogous

#287E6E #28637E #28387E

triadic

#28637E #7E2863 #637E28

tetradic

#28637E #6E287E #7E4328 #387E28

square

#28637E #6E287E #7E4328 #387E28

split-complementary

#28637E #7E2838 #7E6E28

monochromatic

#0B1A21 #193F50 #28637E #3787AC #57A6CA

Accessibility & contrast

On white

6.61

#28637E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#28637E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28637E

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28637E	#FFFFFF	#000000	##FFFFFF
##28637E	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55627F

Deuteranopia (green-blind)

#4A597E

Tritanopia (blue-blind)

#006A6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #28637e;
/* rgb */ color: rgb(40, 99, 126);
/* oklch */ color: oklch(47.3% 0.075 231.1);

Tailwind

colors: {
  custom: {
    50: '#6c8fa3',
    500: '#28637e',
    950: '#000000',
  },
}

SCSS

$custom: #28637e;
$custom-light: #6c8fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#28637e",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 126
  },
  "hsl": {
    "h": 198.837,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.47315,
    "c": 0.07455,
    "h": 231.1
  },
  "luminance": 0.10881
}

Semantic roles & 50–950 ramp

primary

#28637E

secondary

#AF7053

accent

#794DDB

background

#F6F8FA

surface

#ECF0F3

border

#C7CBCD

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #28637E

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

Preview Lab → · Contrast checker → · Palette generator →