#2366BB#2366BB

#2366BB is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.5% C 0.150 H 256.4°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#2366BB
RGB	rgb(35, 102, 187)
HSL	hsl(214, 68%, 44%)
HSV	hsv(214, 81%, 73%)
CMYK	cmyk(81.3%, 45.5%, 0%, 26.7%)
CIE-LAB	lab(43.43, 10.46, -50.64)
CIE-LCH	lch(43.43, 51.70, 281.67°)
OKLab	oklab(51.52% -0.0352 -0.1453)
OKLCH	oklch(51.52% 0.15 256.4)
XYZ	xyz(14.4108, 13.4462, 48.8399)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2366BB #BB7823

analogous

#23B2BB #2366BB #2C23BB

triadic

#2366BB #BB2366 #66BB23

tetradic

#2366BB #BB23B2 #BB7823 #23BB2C

square

#2366BB #BB23B2 #BB7823 #23BB2C

split-complementary

#2366BB #BB2C23 #B2BB23

monochromatic

#102E54 #194A87 #2366BB #4084DB #74A5E5

Accessibility & contrast

On white

5.69

#2366BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#2366BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2366BB

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2366BB	#FFFFFF	#000000	##FFFFFF
##2366BB	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396EBE

Deuteranopia (green-blind)

#1460B9

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2366bb;
/* rgb */ color: rgb(35, 102, 187);
/* oklch */ color: oklch(51.5% 0.150 256.4);

Tailwind

colors: {
  custom: {
    50: '#7791d0',
    500: '#2366bb',
    950: '#000000',
  },
}

SCSS

$custom: #2366bb;
$custom-light: #7791d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2366bb",
  "rgb": {
    "r": 35,
    "g": 102,
    "b": 187
  },
  "hsl": {
    "h": 213.553,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51521,
    "c": 0.14953,
    "h": 256.4
  },
  "luminance": 0.13448
}

Semantic roles & 50–950 ramp

primary

#2366BB

secondary

#CCA26E

accent

#9E3CEB

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2366BB

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

Preview Lab → · Contrast checker → · Palette generator →