#2B66B2#2B66B2

#2B66B2 is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.2% C 0.135 H 256.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B66B2
RGB	rgb(43, 102, 178)
HSL	hsl(214, 61%, 43%)
HSV	hsv(214, 76%, 70%)
CMYK	cmyk(75.8%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(43.11, 7.90, -45.89)
CIE-LCH	lch(43.11, 46.56, 279.77°)
OKLab	oklab(51.16% -0.0323 -0.1313)
OKLCH	oklch(51.16% 0.135 256.2)
XYZ	xyz(13.7805, 13.2291, 43.9380)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66B2 #B2772B

analogous

#2BA9B2 #2B66B2 #342BB2

triadic

#2B66B2 #B22B66 #66B22B

tetradic

#2B66B2 #B22BA9 #B2772B #2BB234

square

#2B66B2 #B22BA9 #B2772B #2BB234

split-complementary

#2B66B2 #B2342B #A9B22B

monochromatic

#132E4F #1F4A81 #2B66B2 #4884D3 #79A5DF

Accessibility & contrast

On white

5.76

#2B66B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#2B66B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66B2

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66B2	#FFFFFF	#000000	##FFFFFF
##2B66B2	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB5

Deuteranopia (green-blind)

#2960B0

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2b66b2;
/* rgb */ color: rgb(43, 102, 178);
/* oklch */ color: oklch(51.2% 0.135 256.2);

Tailwind

colors: {
  custom: {
    50: '#7791c9',
    500: '#2b66b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b66b2;
$custom-light: #7791c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66b2",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 213.778,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5116,
    "c": 0.13518,
    "h": 256.2
  },
  "luminance": 0.13231
}

Semantic roles & 50–950 ramp

primary

#2B66B2

secondary

#C7A272

accent

#9E44E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B66B2

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

Preview Lab → · Contrast checker → · Palette generator →