#2C66B5#2C66B5

#2C66B5 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.4% C 0.139 H 257.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#2C66B5
RGB	rgb(44, 102, 181)
HSL	hsl(215, 61%, 44%)
HSV	hsv(215, 76%, 71%)
CMYK	cmyk(75.7%, 43.6%, 0%, 29%)
CIE-LAB	lab(43.32, 9.17, -47.30)
CIE-LCH	lch(43.32, 48.18, 280.97°)
OKLab	oklab(51.39% -0.0311 -0.1354)
OKLCH	oklch(51.39% 0.139 257.1)
XYZ	xyz(14.1275, 13.3728, 45.5437)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C66B5 #B57B2C

analogous

#2CABB5 #2C66B5 #372CB5

triadic

#2C66B5 #B52C66 #66B52C

tetradic

#2C66B5 #B52CAB #B57B2C #2CB537

square

#2C66B5 #B52CAB #B57B2C #2CB537

split-complementary

#2C66B5 #B5372C #ABB52C

monochromatic

#142F53 #204A84 #2C66B5 #4B85D3 #7CA6DF

Accessibility & contrast

On white

5.71

#2C66B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#2C66B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C66B5

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C66B5	#FFFFFF	#000000	##FFFFFF
##2C66B5	1.00	5.71	3.67	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6DB8

Deuteranopia (green-blind)

#2561B3

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2c66b5;
/* rgb */ color: rgb(44, 102, 181);
/* oklch */ color: oklch(51.4% 0.139 257.1);

Tailwind

colors: {
  custom: {
    50: '#7891cc',
    500: '#2c66b5',
    950: '#000000',
  },
}

SCSS

$custom: #2c66b5;
$custom-light: #7891cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c66b5",
  "rgb": {
    "r": 44,
    "g": 102,
    "b": 181
  },
  "hsl": {
    "h": 214.599,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51392,
    "c": 0.13892,
    "h": 257.1
  },
  "luminance": 0.13374
}

Semantic roles & 50–950 ramp

primary

#2C66B5

secondary

#C8A575

accent

#A044E4

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2C66B5

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

Preview Lab → · Contrast checker → · Palette generator →