#2C66B1#2C66B1

#2C66B1 is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.134 H 256.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2C66B1
RGB	rgb(44, 102, 177)
HSL	hsl(214, 60%, 43%)
HSV	hsv(214, 75%, 69%)
CMYK	cmyk(75.1%, 42.4%, 0%, 30.6%)
CIE-LAB	lab(43.08, 7.65, -45.34)
CIE-LCH	lch(43.08, 45.98, 279.58°)
OKLab	oklab(51.13% -0.0319 -0.1296)
OKLCH	oklch(51.13% 0.134 256.2)
XYZ	xyz(13.7230, 13.2110, 43.4132)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C66B1 #B1772C

analogous

#2CA8B1 #2C66B1 #352CB1

triadic

#2C66B1 #B12C66 #66B12C

tetradic

#2C66B1 #B12CA8 #B1772C #2CB135

square

#2C66B1 #B12CA8 #B1772C #2CB135

split-complementary

#2C66B1 #B1352C #A8B12C

monochromatic

#142E4F #204A80 #2C66B1 #4984D2 #7AA5DE

Accessibility & contrast

On white

5.77

#2C66B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#2C66B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C66B1

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C66B1	#FFFFFF	#000000	##FFFFFF
##2C66B1	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB4

Deuteranopia (green-blind)

#2A60AF

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2c66b1;
/* rgb */ color: rgb(44, 102, 177);
/* oklch */ color: oklch(51.1% 0.134 256.2);

Tailwind

colors: {
  custom: {
    50: '#7791c9',
    500: '#2c66b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c66b1;
$custom-light: #7791c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c66b1",
  "rgb": {
    "r": 44,
    "g": 102,
    "b": 177
  },
  "hsl": {
    "h": 213.835,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51128,
    "c": 0.13352,
    "h": 256.2
  },
  "luminance": 0.13213
}

Semantic roles & 50–950 ramp

primary

#2C66B1

secondary

#C6A273

accent

#9E44E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2C66B1

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

Preview Lab → · Contrast checker → · Palette generator →