#286EB3#286EB3

#286EB3 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.129 H 251.4°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#286EB3
RGB	rgb(40, 110, 179)
HSL	hsl(210, 63%, 43%)
HSV	hsv(210, 78%, 70%)
CMYK	cmyk(77.7%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(45.44, 2.87, -42.76)
CIE-LCH	lch(45.44, 42.86, 273.84°)
OKLab	oklab(52.97% -0.0411 -0.122)
OKLCH	oklch(52.97% 0.129 251.4)
XYZ	xyz(14.5846, 14.8559, 44.7379)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#286EB3 #B36D28

analogous

#28B3B2 #286EB3 #2829B3

triadic

#286EB3 #B3286E #6EB328

tetradic

#286EB3 #B228B3 #B36D28 #29B328

square

#286EB3 #B228B3 #B36D28 #29B328

split-complementary

#286EB3 #B32829 #B3B228

monochromatic

#12314F #1D4F81 #286EB3 #438DD5 #75ABE0

Accessibility & contrast

On white

5.29

#286EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#286EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286EB3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##286EB3	#FFFFFF	#000000	##FFFFFF
##286EB3	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B6

Deuteranopia (green-blind)

#3866B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #286eb3;
/* rgb */ color: rgb(40, 110, 179);
/* oklch */ color: oklch(53.0% 0.129 251.4);

Tailwind

colors: {
  custom: {
    50: '#7697ca',
    500: '#286eb3',
    950: '#000000',
  },
}

SCSS

$custom: #286eb3;
$custom-light: #7697ca;
$custom-dark: #000000;

JSON

{
  "hex": "#286eb3",
  "rgb": {
    "r": 40,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 209.784,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52968,
    "c": 0.1287,
    "h": 251.4
  },
  "luminance": 0.14858
}

Semantic roles & 50–950 ramp

primary

#286EB3

secondary

#C89B6F

accent

#9341E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #286EB3

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

Preview Lab → · Contrast checker → · Palette generator →