#2366AA#2366AA

#2366AA is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.4% C 0.127 H 252.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#2366AA
RGB	rgb(35, 102, 170)
HSL	hsl(210, 66%, 40%)
HSV	hsv(210, 79%, 67%)
CMYK	cmyk(79.4%, 40%, 0%, 33.3%)
CIE-LAB	lab(42.40, 3.87, -42.33)
CIE-LCH	lch(42.40, 42.51, 275.23°)
OKLab	oklab(50.39% -0.0389 -0.1209)
OKLCH	oklch(50.39% 0.127 252.2)
XYZ	xyz(12.6975, 12.7608, 39.8163)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2366AA #AA6723

analogous

#23AAAA #2366AA #2323AA

triadic

#2366AA #AA2366 #66AA23

tetradic

#2366AA #AA23AA #AA6723 #23AA23

square

#2366AA #AA23AA #AA6723 #23AA23

split-complementary

#2366AA #AA2323 #AAAA23

monochromatic

#0E2944 #194877 #2366AA #3585D5 #68A3E0

Accessibility & contrast

On white

5.91

#2366AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2366AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2366AA

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2366AA	#FFFFFF	#000000	##FFFFFF
##2366AA	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456BAD

Deuteranopia (green-blind)

#2F5EA9

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2366aa;
/* rgb */ color: rgb(35, 102, 170);
/* oklch */ color: oklch(50.4% 0.127 252.2);

Tailwind

colors: {
  custom: {
    50: '#7391c4',
    500: '#2366aa',
    950: '#000000',
  },
}

SCSS

$custom: #2366aa;
$custom-light: #7391c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2366aa",
  "rgb": {
    "r": 35,
    "g": 102,
    "b": 170
  },
  "hsl": {
    "h": 210.222,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50391,
    "c": 0.12701,
    "h": 252.2
  },
  "luminance": 0.12762
}

Semantic roles & 50–950 ramp

primary

#2366AA

secondary

#C69563

accent

#953FE9

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2366AA

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

Preview Lab → · Contrast checker → · Palette generator →