#2B66AB#2B66AB

#2B66AB is a mid, vivid cyan. Relative luminance 0.130; OKLCH L 50.7% C 0.126 H 254.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B66AB
RGB	rgb(43, 102, 171)
HSL	hsl(212, 60%, 42%)
HSV	hsv(212, 75%, 67%)
CMYK	cmyk(74.9%, 40.4%, 0%, 32.9%)
CIE-LAB	lab(42.70, 5.25, -42.43)
CIE-LCH	lch(42.70, 42.76, 277.05°)
OKLab	oklab(50.71% -0.0339 -0.1211)
OKLCH	oklch(50.71% 0.126 254.4)
XYZ	xyz(13.0956, 12.9551, 40.3306)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66AB #AB702B

analogous

#2BA6AB #2B66AB #302BAB

triadic

#2B66AB #AB2B66 #66AB2B

tetradic

#2B66AB #AB2BA6 #AB702B #2BAB30

square

#2B66AB #AB2BA6 #AB702B #2BAB30

split-complementary

#2B66AB #AB302B #A6AB2B

monochromatic

#122C49 #1F497A #2B66AB #4384D0 #74A4DC

Accessibility & contrast

On white

5.85

#2B66AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#2B66AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66AB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66AB	#FFFFFF	#000000	##FFFFFF
##2B66AB	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456BAE

Deuteranopia (green-blind)

#315FAA

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b66ab;
/* rgb */ color: rgb(43, 102, 171);
/* oklch */ color: oklch(50.7% 0.126 254.4);

Tailwind

colors: {
  custom: {
    50: '#7691c4',
    500: '#2b66ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b66ab;
$custom-light: #7691c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66ab",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 171
  },
  "hsl": {
    "h": 212.344,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50707,
    "c": 0.12577,
    "h": 254.4
  },
  "luminance": 0.12957
}

Semantic roles & 50–950 ramp

primary

#2B66AB

secondary

#C49C6E

accent

#9A45E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B66AB

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

Preview Lab → · Contrast checker → · Palette generator →