#285A7B#285A7B

#285A7B is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.9% C 0.076 H 240.4°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#285A7B
RGB	rgb(40, 90, 123)
HSL	hsl(204, 51%, 32%)
HSV	hsv(204, 67%, 48%)
CMYK	cmyk(67.5%, 26.8%, 0%, 51.8%)
CIE-LAB	lab(36.35, -5.58, -23.58)
CIE-LCH	lch(36.35, 24.23, 256.69°)
OKLab	oklab(44.87% -0.0377 -0.0663)
OKLCH	oklch(44.87% 0.076 240.4)
XYZ	xyz(8.1050, 9.1927, 20.0823)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285A7B #7B4928

analogous

#287B73 #285A7B #28317B

triadic

#285A7B #7B285A #5A7B28

tetradic

#285A7B #73287B #7B4928 #317B28

square

#285A7B #73287B #7B4928 #317B28

split-complementary

#285A7B #7B2831 #7B7328

monochromatic

#0A161F #19384D #285A7B #377CA9 #569AC8

Accessibility & contrast

On white

7.40

#285A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#285A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #285A7B

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285A7B	#FFFFFF	#000000	##FFFFFF
##285A7B	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5A7D

Deuteranopia (green-blind)

#40527A

Tritanopia (blue-blind)

#006265

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #285a7b;
/* rgb */ color: rgb(40, 90, 123);
/* oklch */ color: oklch(44.9% 0.076 240.4);

Tailwind

colors: {
  custom: {
    50: '#6b88a1',
    500: '#285a7b',
    950: '#000000',
  },
}

SCSS

$custom: #285a7b;
$custom-light: #6b88a1;
$custom-dark: #000000;

JSON

{
  "hex": "#285a7b",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 123
  },
  "hsl": {
    "h": 203.855,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.44866,
    "c": 0.0763,
    "h": 240.4
  },
  "luminance": 0.09194
}

Semantic roles & 50–950 ramp

primary

#285A7B

secondary

#AD7652

accent

#854DDA

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #285A7B

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

Preview Lab → · Contrast checker → · Palette generator →