#2A66B2#2A66B2

#2A66B2 is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.136 H 255.9°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A66B2
RGB	rgb(42, 102, 178)
HSL	hsl(214, 62%, 43%)
HSV	hsv(214, 76%, 70%)
CMYK	cmyk(76.4%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(43.07, 7.78, -45.94)
CIE-LCH	lch(43.07, 46.59, 279.61°)
OKLab	oklab(51.13% -0.033 -0.1314)
OKLCH	oklch(51.13% 0.136 255.9)
XYZ	xyz(13.7391, 13.2078, 43.9361)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66B2 #B2762A

analogous

#2AAAB2 #2A66B2 #322AB2

triadic

#2A66B2 #B22A66 #66B22A

tetradic

#2A66B2 #B22AAA #B2762A #2AB232

square

#2A66B2 #B22AAA #B2762A #2AB232

split-complementary

#2A66B2 #B2322A #AAB22A

monochromatic

#132D4F #1E4A80 #2A66B2 #4684D3 #77A5DF

Accessibility & contrast

On white

5.77

#2A66B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#2A66B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66B2

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66B2	#FFFFFF	#000000	##FFFFFF
##2A66B2	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)

#416CB5

Deuteranopia (green-blind)

#2860B0

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2a66b2;
/* rgb */ color: rgb(42, 102, 178);
/* oklch */ color: oklch(51.1% 0.136 255.9);

Tailwind

colors: {
  custom: {
    50: '#7791c9',
    500: '#2a66b2',
    950: '#000000',
  },
}

SCSS

$custom: #2a66b2;
$custom-light: #7791c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66b2",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 213.529,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51126,
    "c": 0.1355,
    "h": 255.9
  },
  "luminance": 0.13209
}

Semantic roles & 50–950 ramp

primary

#2A66B2

secondary

#C7A171

accent

#9D43E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A66B2

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

Preview Lab → · Contrast checker → · Palette generator →