#285A7D#285A7D

#285A7D is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.079 H 242.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#285A7D
RGB	rgb(40, 90, 125)
HSL	hsl(205, 52%, 32%)
HSV	hsv(205, 68%, 49%)
CMYK	cmyk(68%, 28%, 0%, 51%)
CIE-LAB	lab(36.45, -4.86, -24.66)
CIE-LCH	lch(36.45, 25.14, 258.86°)
OKLab	oklab(44.97% -0.037 -0.0694)
OKLCH	oklch(44.97% 0.079 242)
XYZ	xyz(8.2315, 9.2433, 20.7484)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285A7D #7D4B28

analogous

#287D76 #285A7D #28307D

triadic

#285A7D #7D285A #5A7D28

tetradic

#285A7D #76287D #7D4B28 #307D28

square

#285A7D #76287D #7D4B28 #307D28

split-complementary

#285A7D #7D2830 #7D7628

monochromatic

#0A1720 #19394F #285A7D #377BAB #569AC9

Accessibility & contrast

On white

7.37

#285A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#285A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #285A7D

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285A7D	#FFFFFF	#000000	##FFFFFF
##285A7D	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5A7F

Deuteranopia (green-blind)

#3F527C

Tritanopia (blue-blind)

#006366

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #285a7d;
/* rgb */ color: rgb(40, 90, 125);
/* oklch */ color: oklch(45.0% 0.079 242.0);

Tailwind

colors: {
  custom: {
    50: '#6c88a3',
    500: '#285a7d',
    950: '#000000',
  },
}

SCSS

$custom: #285a7d;
$custom-light: #6c88a3;
$custom-dark: #000000;

JSON

{
  "hex": "#285a7d",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 125
  },
  "hsl": {
    "h": 204.706,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44973,
    "c": 0.07869,
    "h": 242
  },
  "luminance": 0.09244
}

Semantic roles & 50–950 ramp

primary

#285A7D

secondary

#AE7853

accent

#874DDB

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #285A7D

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

Preview Lab → · Contrast checker → · Palette generator →