#2A66B8#2A66B8

#2A66B8 is a mid, vivid cyan. Relative luminance 0.135; OKLCH L 51.5% C 0.144 H 257.2°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#2A66B8
RGB	rgb(42, 102, 184)
HSL	hsl(215, 63%, 44%)
HSV	hsv(215, 77%, 72%)
CMYK	cmyk(77.2%, 44.6%, 0%, 27.8%)
CIE-LAB	lab(43.44, 10.07, -48.86)
CIE-LCH	lch(43.44, 49.89, 281.64°)
OKLab	oklab(51.53% -0.0317 -0.14)
OKLCH	oklch(51.53% 0.144 257.2)
XYZ	xyz(14.3548, 13.4540, 47.1784)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66B8 #B87C2A

analogous

#2AADB8 #2A66B8 #352AB8

triadic

#2A66B8 #B82A66 #66B82A

tetradic

#2A66B8 #B82AAD #B87C2A #2AB835

square

#2A66B8 #B82AAD #B87C2A #2AB835

split-complementary

#2A66B8 #B8352A #ADB82A

monochromatic

#132F54 #1F4A86 #2A66B8 #4A85D6 #7BA6E1

Accessibility & contrast

On white

5.69

#2A66B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#2A66B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66B8

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66B8	#FFFFFF	#000000	##FFFFFF
##2A66B8	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6EBB

Deuteranopia (green-blind)

#1F61B6

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2a66b8;
/* rgb */ color: rgb(42, 102, 184);
/* oklch */ color: oklch(51.5% 0.144 257.2);

Tailwind

colors: {
  custom: {
    50: '#7891ce',
    500: '#2a66b8',
    950: '#000000',
  },
}

SCSS

$custom: #2a66b8;
$custom-light: #7891ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66b8",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 184
  },
  "hsl": {
    "h": 214.648,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51526,
    "c": 0.14357,
    "h": 257.2
  },
  "luminance": 0.13456
}

Semantic roles & 50–950 ramp

primary

#2A66B8

secondary

#C9A575

accent

#A142E6

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A66B8

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

Preview Lab → · Contrast checker → · Palette generator →