#285B9B#285B9B

#285B9B is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 47.0% C 0.117 H 255.5°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#285B9B
RGB	rgb(40, 91, 155)
HSL	hsl(213, 59%, 38%)
HSV	hsv(213, 74%, 61%)
CMYK	cmyk(74.2%, 41.3%, 0%, 39.2%)
CIE-LAB	lab(38.37, 5.78, -39.83)
CIE-LCH	lch(38.37, 40.24, 278.25°)
OKLab	oklab(47.01% -0.0293 -0.1137)
OKLCH	oklch(47.01% 0.117 255.5)
XYZ	xyz(10.5304, 10.2987, 32.4369)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285B9B #9B6828

analogous

#28949B #285B9B #2E289B

triadic

#285B9B #9B285B #5B9B28

tetradic

#285B9B #9B2894 #9B6828 #289B2E

square

#285B9B #9B2894 #9B6828 #289B2E

split-complementary

#285B9B #9B2E28 #949B28

monochromatic

#0F223A #1B3E6A #285B9B #3578CB #6698D7

Accessibility & contrast

On white

6.86

#285B9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#285B9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285B9B

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285B9B	#FFFFFF	#000000	##FFFFFF
##285B9B	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D609E

Deuteranopia (green-blind)

#2A559A

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #285b9b;
/* rgb */ color: rgb(40, 91, 155);
/* oklch */ color: oklch(47.0% 0.117 255.5);

Tailwind

colors: {
  custom: {
    50: '#7288b9',
    500: '#285b9b',
    950: '#000000',
  },
}

SCSS

$custom: #285b9b;
$custom-light: #7288b9;
$custom-dark: #000000;

JSON

{
  "hex": "#285b9b",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 155
  },
  "hsl": {
    "h": 213.391,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47011,
    "c": 0.11742,
    "h": 255.5
  },
  "luminance": 0.103
}

Semantic roles & 50–950 ramp

primary

#285B9B

secondary

#BD9561

accent

#9D46E2

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #285B9B

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

Preview Lab → · Contrast checker → · Palette generator →