#2A66A4#2A66A4

#2A66A4 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.2% C 0.117 H 251.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#2A66A4
RGB	rgb(42, 102, 164)
HSL	hsl(210, 59%, 40%)
HSV	hsv(210, 74%, 64%)
CMYK	cmyk(74.4%, 37.8%, 0%, 35.7%)
CIE-LAB	lab(42.27, 2.47, -38.99)
CIE-LCH	lch(42.27, 39.06, 273.62°)
OKLab	oklab(50.24% -0.0363 -0.111)
OKLCH	oklch(50.24% 0.117 251.9)
XYZ	xyz(12.4045, 12.6739, 36.9073)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66A4 #A4682A

analogous

#2AA3A4 #2A66A4 #2B2AA4

triadic

#2A66A4 #A42A66 #66A42A

tetradic

#2A66A4 #A42AA3 #A4682A #2AA42B

square

#2A66A4 #A42AA3 #A4682A #2AA42B

split-complementary

#2A66A4 #A42B2A #A3A42A

monochromatic

#112943 #1E4873 #2A66A4 #3E84CD #6EA3DA

Accessibility & contrast

On white

5.94

#2A66A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#2A66A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66A4

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66A4	#FFFFFF	#000000	##FFFFFF
##2A66A4	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#496AA7

Deuteranopia (green-blind)

#375FA3

Tritanopia (blue-blind)

#00757D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2a66a4;
/* rgb */ color: rgb(42, 102, 164);
/* oklch */ color: oklch(50.2% 0.117 251.9);

Tailwind

colors: {
  custom: {
    50: '#7491bf',
    500: '#2a66a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a66a4;
$custom-light: #7491bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66a4",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 164
  },
  "hsl": {
    "h": 210.492,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50235,
    "c": 0.11681,
    "h": 251.9
  },
  "luminance": 0.12675
}

Semantic roles & 50–950 ramp

primary

#2A66A4

secondary

#C19669

accent

#9545E2

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2A66A4

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

Preview Lab → · Contrast checker → · Palette generator →