#2A66B1#2A66B1

#2A66B1 is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.134 H 255.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A66B1
RGB	rgb(42, 102, 177)
HSL	hsl(213, 62%, 43%)
HSV	hsv(213, 76%, 69%)
CMYK	cmyk(76.3%, 42.4%, 0%, 30.6%)
CIE-LAB	lab(43.01, 7.40, -45.45)
CIE-LCH	lch(43.01, 46.05, 279.24°)
OKLab	oklab(51.06% -0.0332 -0.13)
OKLCH	oklch(51.06% 0.134 255.7)
XYZ	xyz(13.6391, 13.1677, 43.4093)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66B1 #B1752A

analogous

#2AAAB1 #2A66B1 #312AB1

triadic

#2A66B1 #B12A66 #66B12A

tetradic

#2A66B1 #B12AAA #B1752A #2AB131

square

#2A66B1 #B12AAA #B1752A #2AB131

split-complementary

#2A66B1 #B1312A #AAB12A

monochromatic

#132D4E #1E4980 #2A66B1 #4584D3 #77A5DF

Accessibility & contrast

On white

5.78

#2A66B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#2A66B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66B1

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66B1	#FFFFFF	#000000	##FFFFFF
##2A66B1	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB4

Deuteranopia (green-blind)

#2960AF

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2a66b1;
/* rgb */ color: rgb(42, 102, 177);
/* oklch */ color: oklch(51.1% 0.134 255.7);

Tailwind

colors: {
  custom: {
    50: '#7791c9',
    500: '#2a66b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a66b1;
$custom-light: #7791c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66b1",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 177
  },
  "hsl": {
    "h": 213.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5106,
    "c": 0.13416,
    "h": 255.7
  },
  "luminance": 0.13169
}

Semantic roles & 50–950 ramp

primary

#2A66B1

secondary

#C6A070

accent

#9D43E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A66B1

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

Preview Lab → · Contrast checker → · Palette generator →