#286BBB#286BBB

#286BBB is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.142 H 255.1°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#286BBB
RGB	rgb(40, 107, 187)
HSL	hsl(213, 65%, 45%)
HSV	hsv(213, 79%, 73%)
CMYK	cmyk(78.6%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(45.02, 7.80, -48.08)
CIE-LCH	lch(45.02, 48.71, 279.21°)
OKLab	oklab(52.79% -0.0366 -0.1377)
OKLCH	oklch(52.79% 0.142 255.1)
XYZ	xyz(15.0991, 14.5526, 49.0172)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#286BBB #BB7828

analogous

#28B5BB #286BBB #2E28BB

triadic

#286BBB #BB286B #6BBB28

tetradic

#286BBB #BB28B5 #BB7828 #28BB2E

square

#286BBB #BB28B5 #BB7828 #28BB2E

split-complementary

#286BBB #BB2E28 #B5BB28

monochromatic

#123156 #1D4E89 #286BBB #488AD8 #7BAAE3

Accessibility & contrast

On white

5.37

#286BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#286BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286BBB

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##286BBB	#FFFFFF	#000000	##FFFFFF
##286BBB	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4372BE

Deuteranopia (green-blind)

#2864B9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #286bbb;
/* rgb */ color: rgb(40, 107, 187);
/* oklch */ color: oklch(52.8% 0.142 255.1);

Tailwind

colors: {
  custom: {
    50: '#7894d0',
    500: '#286bbb',
    950: '#000000',
  },
}

SCSS

$custom: #286bbb;
$custom-light: #7894d0;
$custom-dark: #000000;

JSON

{
  "hex": "#286bbb",
  "rgb": {
    "r": 40,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 212.653,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5279,
    "c": 0.14244,
    "h": 255.1
  },
  "luminance": 0.14554
}

Semantic roles & 50–950 ramp

primary

#286BBB

secondary

#CBA374

accent

#9B40E8

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #286BBB

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

Preview Lab → · Contrast checker → · Palette generator →