#4286CB#4286CB

#4286CB is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.8% C 0.126 H 250.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4286CB
RGB	rgb(66, 134, 203)
HSL	hsl(210, 57%, 53%)
HSV	hsv(210, 67%, 80%)
CMYK	cmyk(67.5%, 34%, 0%, 20.4%)
CIE-LAB	lab(54.57, 0.68, -42.02)
CIE-LCH	lch(54.57, 42.02, 270.93°)
OKLab	oklab(60.77% -0.0411 -0.1191)
OKLCH	oklch(60.77% 0.126 250.9)
XYZ	xyz(21.5474, 22.5180, 59.6992)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4286CB #CB8742

analogous

#42CACB #4286CB #4342CB

triadic

#4286CB #CB4286 #86CB42

tetradic

#4286CB #CB42CA #CB8742 #42CB43

square

#4286CB #CB42CA #CB8742 #42CB43

split-complementary

#4286CB #CB4342 #CACB42

monochromatic

#204973 #2D67A3 #4286CB #72A5D8 #A2C3E5

Accessibility & contrast

On white

3.82

#4286CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#4286CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4286CB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4286CB	#FFFFFF	#000000	##000000
##4286CB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678ACE

Deuteranopia (green-blind)

#547DCA

Tritanopia (blue-blind)

#00969F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4286cb;
/* rgb */ color: rgb(66, 134, 203);
/* oklch */ color: oklch(60.8% 0.126 250.9);

Tailwind

colors: {
  custom: {
    50: '#85a8db',
    500: '#4286cb',
    950: '#000000',
  },
}

SCSS

$custom: #4286cb;
$custom-light: #85a8db;
$custom-dark: #000000;

JSON

{
  "hex": "#4286cb",
  "rgb": {
    "r": 66,
    "g": 134,
    "b": 203
  },
  "hsl": {
    "h": 210.219,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.60773,
    "c": 0.12605,
    "h": 250.9
  },
  "luminance": 0.2252
}

Semantic roles & 50–950 ramp

primary

#4286CB

secondary

#D2B597

accent

#9448E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4286CB

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

Preview Lab → · Contrast checker → · Palette generator →