#28638E#28638E

#28638E is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.2% C 0.092 H 243.6°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#28638E
RGB	rgb(40, 99, 142)
HSL	hsl(205, 56%, 36%)
HSV	hsv(205, 72%, 56%)
CMYK	cmyk(71.8%, 30.3%, 0%, 44.3%)
CIE-LAB	lab(40.13, -4.18, -29.24)
CIE-LCH	lch(40.13, 29.54, 261.87°)
OKLab	oklab(48.15% -0.041 -0.0826)
OKLCH	oklch(48.15% 0.092 243.6)
XYZ	xyz(10.2175, 11.3267, 27.2337)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28638E #8E5328

analogous

#288E86 #28638E #28308E

triadic

#28638E #8E2863 #638E28

tetradic

#28638E #86288E #8E5328 #308E28

square

#28638E #86288E #8E5328 #308E28

split-complementary

#28638E #8E2830 #8E8628

monochromatic

#0D202F #1B425E #28638E #3584BE #5FA1D2

Accessibility & contrast

On white

6.43

#28638E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#28638E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28638E

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28638E	#FFFFFF	#000000	##FFFFFF
##28638E	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6490

Deuteranopia (green-blind)

#415A8D

Tritanopia (blue-blind)

#006D72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #28638e;
/* rgb */ color: rgb(40, 99, 142);
/* oklch */ color: oklch(48.2% 0.092 243.6);

Tailwind

colors: {
  custom: {
    50: '#6f8faf',
    500: '#28638e',
    950: '#000000',
  },
}

SCSS

$custom: #28638e;
$custom-light: #6f8faf;
$custom-dark: #000000;

JSON

{
  "hex": "#28638e",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 142
  },
  "hsl": {
    "h": 205.294,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.48154,
    "c": 0.09227,
    "h": 243.6
  },
  "luminance": 0.11328
}

Semantic roles & 50–950 ramp

primary

#28638E

secondary

#B7825B

accent

#8848DF

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #28638E

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

Preview Lab → · Contrast checker → · Palette generator →