#2A66B9#2A66B9

#2A66B9 is a mid, vivid cyan. Relative luminance 0.135; OKLCH L 51.6% C 0.145 H 257.4°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#2A66B9
RGB	rgb(42, 102, 185)
HSL	hsl(215, 63%, 45%)
HSV	hsv(215, 77%, 73%)
CMYK	cmyk(77.3%, 44.9%, 0%, 27.5%)
CIE-LAB	lab(43.50, 10.45, -49.34)
CIE-LCH	lch(43.50, 50.44, 281.95°)
OKLab	oklab(51.59% -0.0316 -0.1414)
OKLCH	oklch(51.59% 0.145 257.4)
XYZ	xyz(14.4600, 13.4961, 47.7324)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66B9 #B97D2A

analogous

#2AAEB9 #2A66B9 #352AB9

triadic

#2A66B9 #B92A66 #66B92A

tetradic

#2A66B9 #B92AAE #B97D2A #2AB935

square

#2A66B9 #B92AAE #B97D2A #2AB935

split-complementary

#2A66B9 #B9352A #AEB92A

monochromatic

#132F55 #1F4B87 #2A66B9 #4A85D6 #7CA7E1

Accessibility & contrast

On white

5.68

#2A66B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#2A66B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66B9

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66B9	#FFFFFF	#000000	##FFFFFF
##2A66B9	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6EBC

Deuteranopia (green-blind)

#1D61B7

Tritanopia (blue-blind)

#007A86

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2a66b9;
/* rgb */ color: rgb(42, 102, 185);
/* oklch */ color: oklch(51.6% 0.145 257.4);

Tailwind

colors: {
  custom: {
    50: '#7891ce',
    500: '#2a66b9',
    950: '#000000',
  },
}

SCSS

$custom: #2a66b9;
$custom-light: #7891ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66b9",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 185
  },
  "hsl": {
    "h": 214.825,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51594,
    "c": 0.14492,
    "h": 257.4
  },
  "luminance": 0.13498
}

Semantic roles & 50–950 ramp

primary

#2A66B9

secondary

#CAA675

accent

#A142E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2A66B9

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

Preview Lab → · Contrast checker → · Palette generator →