#28688B#28688B

#28688B is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.2% C 0.085 H 236.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#28688B
RGB	rgb(40, 104, 139)
HSL	hsl(201, 55%, 35%)
HSV	hsv(201, 71%, 55%)
CMYK	cmyk(71.2%, 25.2%, 0%, 45.5%)
CIE-LAB	lab(41.56, -8.29, -25.21)
CIE-LCH	lch(41.56, 26.53, 251.79°)
OKLab	oklab(49.24% -0.0474 -0.0709)
OKLCH	oklch(49.24% 0.085 236.3)
XYZ	xyz(10.4838, 12.2147, 26.2262)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28688B #8B4B28

analogous

#288B7C #28688B #28378B

triadic

#28688B #8B2868 #688B28

tetradic

#28688B #7C288B #8B4B28 #378B28

square

#28688B #7C288B #8B4B28 #378B28

split-complementary

#28688B #8B2837 #8B7C28

monochromatic

#0D212C #1A445B #28688B #368CBB #5DA8D0

Accessibility & contrast

On white

6.10

#28688B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#28688B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28688B

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28688B	#FFFFFF	#000000	##FFFFFF
##28688B	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57678D

Deuteranopia (green-blind)

#4A5E8A

Tritanopia (blue-blind)

#007174

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #28688b;
/* rgb */ color: rgb(40, 104, 139);
/* oklch */ color: oklch(49.2% 0.085 236.3);

Tailwind

colors: {
  custom: {
    50: '#6f93ad',
    500: '#28688b',
    950: '#000000',
  },
}

SCSS

$custom: #28688b;
$custom-light: #6f93ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28688b",
  "rgb": {
    "r": 40,
    "g": 104,
    "b": 139
  },
  "hsl": {
    "h": 201.212,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4924,
    "c": 0.08528,
    "h": 236.3
  },
  "luminance": 0.12216
}

Semantic roles & 50–950 ramp

primary

#28688B

secondary

#B67A59

accent

#7E49DF

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #28688B

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

Preview Lab → · Contrast checker → · Palette generator →