#286CB3#286CB3

#286CB3 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.131 H 252.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#286CB3
RGB	rgb(40, 108, 179)
HSL	hsl(211, 63%, 43%)
HSV	hsv(211, 78%, 70%)
CMYK	cmyk(77.7%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(44.84, 4.12, -43.71)
CIE-LCH	lch(44.84, 43.90, 275.39°)
OKLab	oklab(52.5% -0.0392 -0.1248)
OKLCH	oklch(52.5% 0.131 252.5)
XYZ	xyz(14.3713, 14.4292, 44.6668)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#286CB3 #B36F28

analogous

#28B2B3 #286CB3 #2928B3

triadic

#286CB3 #B3286C #6CB328

tetradic

#286CB3 #B328B2 #B36F28 #28B329

square

#286CB3 #B328B2 #B36F28 #28B329

split-complementary

#286CB3 #B32928 #B2B328

monochromatic

#12304F #1D4E81 #286CB3 #438BD5 #75AAE0

Accessibility & contrast

On white

5.40

#286CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#286CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286CB3

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##286CB3	#FFFFFF	#000000	##FFFFFF
##286CB3	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A71B6

Deuteranopia (green-blind)

#3464B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #286cb3;
/* rgb */ color: rgb(40, 108, 179);
/* oklch */ color: oklch(52.5% 0.131 252.5);

Tailwind

colors: {
  custom: {
    50: '#7695ca',
    500: '#286cb3',
    950: '#000000',
  },
}

SCSS

$custom: #286cb3;
$custom-light: #7695ca;
$custom-dark: #000000;

JSON

{
  "hex": "#286cb3",
  "rgb": {
    "r": 40,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 210.647,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52504,
    "c": 0.13082,
    "h": 252.5
  },
  "luminance": 0.14431
}

Semantic roles & 50–950 ramp

primary

#286CB3

secondary

#C89C6F

accent

#9641E6

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #286CB3

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

Preview Lab → · Contrast checker → · Palette generator →