#285F9B#285F9B

#285F9B is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 48.0% C 0.113 H 252.9°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#285F9B
RGB	rgb(40, 95, 155)
HSL	hsl(211, 59%, 38%)
HSV	hsv(211, 74%, 61%)
CMYK	cmyk(74.2%, 38.7%, 0%, 39.2%)
CIE-LAB	lab(39.58, 3.21, -37.90)
CIE-LCH	lch(39.58, 38.04, 274.84°)
OKLab	oklab(47.95% -0.0332 -0.108)
OKLCH	oklch(47.95% 0.113 252.9)
XYZ	xyz(10.8815, 11.0009, 32.5539)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285F9B #9B6428

analogous

#28989B #285F9B #2A289B

triadic

#285F9B #9B285F #5F9B28

tetradic

#285F9B #9B2898 #9B6428 #289B2A

square

#285F9B #9B2898 #9B6428 #289B2A

split-complementary

#285F9B #9B2A28 #989B28

monochromatic

#0F233A #1B416A #285F9B #357DCB #669CD7

Accessibility & contrast

On white

6.56

#285F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#285F9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285F9B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285F9B	#FFFFFF	#000000	##FFFFFF
##285F9B	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43639D

Deuteranopia (green-blind)

#32589A

Tritanopia (blue-blind)

#006D75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #285f9b;
/* rgb */ color: rgb(40, 95, 155);
/* oklch */ color: oklch(48.0% 0.113 252.9);

Tailwind

colors: {
  custom: {
    50: '#728cb9',
    500: '#285f9b',
    950: '#000000',
  },
}

SCSS

$custom: #285f9b;
$custom-light: #728cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#285f9b",
  "rgb": {
    "r": 40,
    "g": 95,
    "b": 155
  },
  "hsl": {
    "h": 211.304,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47953,
    "c": 0.11297,
    "h": 252.9
  },
  "luminance": 0.11002
}

Semantic roles & 50–950 ramp

primary

#285F9B

secondary

#BD9161

accent

#9746E2

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #285F9B

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

Preview Lab → · Contrast checker → · Palette generator →