#286BB5#286BB5

#286BB5 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.4% C 0.135 H 253.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#286BB5
RGB	rgb(40, 107, 181)
HSL	hsl(211, 64%, 43%)
HSV	hsv(211, 78%, 71%)
CMYK	cmyk(77.9%, 40.9%, 0%, 29%)
CIE-LAB	lab(44.66, 5.51, -45.16)
CIE-LCH	lch(44.66, 45.49, 276.96°)
OKLab	oklab(52.4% -0.0379 -0.1291)
OKLCH	oklch(52.4% 0.135 253.6)
XYZ	xyz(14.4701, 14.3010, 45.7048)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#286BB5 #B57228

analogous

#28B1B5 #286BB5 #2B28B5

triadic

#286BB5 #B5286B #6BB528

tetradic

#286BB5 #B528B1 #B57228 #28B52B

square

#286BB5 #B528B1 #B57228 #28B52B

split-complementary

#286BB5 #B52B28 #B1B528

monochromatic

#123051 #1D4D83 #286BB5 #4489D6 #77A9E1

Accessibility & contrast

On white

5.44

#286BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#286BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286BB5

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##286BB5	#FFFFFF	#000000	##FFFFFF
##286BB5	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4771B8

Deuteranopia (green-blind)

#3064B4

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #286bb5;
/* rgb */ color: rgb(40, 107, 181);
/* oklch */ color: oklch(52.4% 0.135 253.6);

Tailwind

colors: {
  custom: {
    50: '#7794cb',
    500: '#286bb5',
    950: '#000000',
  },
}

SCSS

$custom: #286bb5;
$custom-light: #7794cb;
$custom-dark: #000000;

JSON

{
  "hex": "#286bb5",
  "rgb": {
    "r": 40,
    "g": 107,
    "b": 181
  },
  "hsl": {
    "h": 211.489,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.524,
    "c": 0.13453,
    "h": 253.6
  },
  "luminance": 0.14303
}

Semantic roles & 50–950 ramp

primary

#286BB5

secondary

#C89F70

accent

#9841E7

background

#F7F9FC

surface

#EEF1F9

border

#C9CBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #286BB5

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

Preview Lab → · Contrast checker → · Palette generator →