#28599B#28599B

#28599B is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.5% C 0.120 H 256.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#28599B
RGB	rgb(40, 89, 155)
HSL	hsl(214, 59%, 38%)
HSV	hsv(214, 74%, 61%)
CMYK	cmyk(74.2%, 42.6%, 0%, 39.2%)
CIE-LAB	lab(37.77, 7.08, -40.79)
CIE-LCH	lch(37.77, 41.39, 279.84°)
OKLab	oklab(46.54% -0.0274 -0.1165)
OKLCH	oklch(46.54% 0.12 256.8)
XYZ	xyz(10.3617, 9.9613, 32.3806)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28599B #9B6A28

analogous

#28929B #28599B #31289B

triadic

#28599B #9B2859 #599B28

tetradic

#28599B #9B2892 #9B6A28 #289B31

square

#28599B #9B2892 #9B6A28 #289B31

split-complementary

#28599B #9B3128 #929B28

monochromatic

#0F213A #1B3D6A #28599B #3575CB #6696D7

Accessibility & contrast

On white

7.02

#28599B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#28599B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28599B

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28599B	#FFFFFF	#000000	##FFFFFF
##28599B	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395F9E

Deuteranopia (green-blind)

#26549A

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #28599b;
/* rgb */ color: rgb(40, 89, 155);
/* oklch */ color: oklch(46.5% 0.120 256.8);

Tailwind

colors: {
  custom: {
    50: '#7287b9',
    500: '#28599b',
    950: '#000000',
  },
}

SCSS

$custom: #28599b;
$custom-light: #7287b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28599b",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 155
  },
  "hsl": {
    "h": 214.435,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.46544,
    "c": 0.11973,
    "h": 256.8
  },
  "luminance": 0.09962
}

Semantic roles & 50–950 ramp

primary

#28599B

secondary

#BD9661

accent

#9F46E2

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #28599B

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

Preview Lab → · Contrast checker → · Palette generator →