#286D9B#286D9B

#286D9B is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.3% C 0.100 H 241.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#286D9B
RGB	rgb(40, 109, 155)
HSL	hsl(204, 59%, 38%)
HSV	hsv(204, 74%, 61%)
CMYK	cmyk(74.2%, 29.7%, 0%, 39.2%)
CIE-LAB	lab(43.88, -5.48, -31.12)
CIE-LCH	lch(43.88, 31.60, 260.02°)
OKLab	oklab(51.33% -0.047 -0.088)
OKLCH	oklch(51.33% 0.1 241.9)
XYZ	xyz(12.2578, 13.7536, 33.0127)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#286D9B #9B5628

analogous

#289B8F #286D9B #28339B

triadic

#286D9B #9B286D #6D9B28

tetradic

#286D9B #8F289B #9B5628 #339B28

square

#286D9B #8F289B #9B5628 #339B28

split-complementary

#286D9B #9B2833 #9B8F28

monochromatic

#0F293A #1B4B6A #286D9B #358FCB #66AAD7

Accessibility & contrast

On white

5.60

#286D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#286D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286D9B

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##286D9B	#FFFFFF	#000000	##FFFFFF
##286D9B	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#586E9D

Deuteranopia (green-blind)

#48639A

Tritanopia (blue-blind)

#00787D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #286d9b;
/* rgb */ color: rgb(40, 109, 155);
/* oklch */ color: oklch(51.3% 0.100 241.9);

Tailwind

colors: {
  custom: {
    50: '#7296b8',
    500: '#286d9b',
    950: '#000000',
  },
}

SCSS

$custom: #286d9b;
$custom-light: #7296b8;
$custom-dark: #000000;

JSON

{
  "hex": "#286d9b",
  "rgb": {
    "r": 40,
    "g": 109,
    "b": 155
  },
  "hsl": {
    "h": 204,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.51331,
    "c": 0.09979,
    "h": 241.9
  },
  "luminance": 0.13755
}

Semantic roles & 50–950 ramp

primary

#286D9B

secondary

#BD8661

accent

#8446E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #286D9B

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

Preview Lab → · Contrast checker → · Palette generator →