#285A8D#285A8D

#285A8D is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.9% C 0.099 H 251.3°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#285A8D
RGB	rgb(40, 90, 141)
HSL	hsl(210, 56%, 35%)
HSV	hsv(210, 72%, 55%)
CMYK	cmyk(71.6%, 36.2%, 0%, 44.7%)
CIE-LAB	lab(37.27, 1.09, -33.13)
CIE-LCH	lch(37.27, 33.15, 271.88°)
OKLab	oklab(45.89% -0.0319 -0.0941)
OKLCH	oklch(45.89% 0.099 251.3)
XYZ	xyz(9.3372, 9.6855, 26.5715)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285A8D #8D5B28

analogous

#288C8D #285A8D #28288D

triadic

#285A8D #8D285A #5A8D28

tetradic

#285A8D #8D288C #8D5B28 #288D28

square

#285A8D #8D288C #8D5B28 #288D28

split-complementary

#285A8D #8D2828 #8C8D28

monochromatic

#0D1D2E #1A3C5D #285A8D #3678BD #5E97D1

Accessibility & contrast

On white

7.15

#285A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#285A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #285A8D

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285A8D	#FFFFFF	#000000	##FFFFFF
##285A8D	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435D8F

Deuteranopia (green-blind)

#35538C

Tritanopia (blue-blind)

#00666D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #285a8d;
/* rgb */ color: rgb(40, 90, 141);
/* oklch */ color: oklch(45.9% 0.099 251.3);

Tailwind

colors: {
  custom: {
    50: '#6f88ae',
    500: '#285a8d',
    950: '#000000',
  },
}

SCSS

$custom: #285a8d;
$custom-light: #6f88ae;
$custom-dark: #000000;

JSON

{
  "hex": "#285a8d",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 141
  },
  "hsl": {
    "h": 210.297,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45892,
    "c": 0.09938,
    "h": 251.3
  },
  "luminance": 0.09687
}

Semantic roles & 50–950 ramp

primary

#285A8D

secondary

#B7895A

accent

#9549DF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #285A8D

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

Preview Lab → · Contrast checker → · Palette generator →