#2A66AB#2A66AB

#2A66AB is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.7% C 0.126 H 254.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#2A66AB
RGB	rgb(42, 102, 171)
HSL	hsl(212, 61%, 42%)
HSV	hsv(212, 75%, 67%)
CMYK	cmyk(75.4%, 40.4%, 0%, 32.9%)
CIE-LAB	lab(42.66, 5.11, -42.49)
CIE-LCH	lch(42.66, 42.79, 276.86°)
OKLab	oklab(50.67% -0.0345 -0.1213)
OKLCH	oklch(50.67% 0.126 254.1)
XYZ	xyz(13.0542, 12.9338, 40.3287)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66AB #AB6F2A

analogous

#2AA7AB #2A66AB #2F2AAB

triadic

#2A66AB #AB2A66 #66AB2A

tetradic

#2A66AB #AB2AA7 #AB6F2A #2AAB2F

square

#2A66AB #AB2AA7 #AB6F2A #2AAB2F

split-complementary

#2A66AB #AB2F2A #A7AB2A

monochromatic

#122B49 #1E497A #2A66AB #4284D1 #73A4DD

Accessibility & contrast

On white

5.85

#2A66AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#2A66AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66AB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66AB	#FFFFFF	#000000	##FFFFFF
##2A66AB	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)

#305FAA

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2a66ab;
/* rgb */ color: rgb(42, 102, 171);
/* oklch */ color: oklch(50.7% 0.126 254.1);

Tailwind

colors: {
  custom: {
    50: '#7591c4',
    500: '#2a66ab',
    950: '#000000',
  },
}

SCSS

$custom: #2a66ab;
$custom-light: #7591c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66ab",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 171
  },
  "hsl": {
    "h": 212.093,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50673,
    "c": 0.12611,
    "h": 254.1
  },
  "luminance": 0.12935
}

Semantic roles & 50–950 ramp

primary

#2A66AB

secondary

#C49B6D

accent

#9944E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A66AB

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

Preview Lab → · Contrast checker → · Palette generator →