#2A66C6#2A66C6

#2A66C6 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.162 H 259.6°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A66C6
RGB	rgb(42, 102, 198)
HSL	hsl(217, 65%, 47%)
HSV	hsv(217, 79%, 78%)
CMYK	cmyk(78.8%, 48.5%, 0%, 22.4%)
CIE-LAB	lab(44.33, 15.42, -55.54)
CIE-LCH	lch(44.33, 57.64, 285.51°)
OKLab	oklab(52.5% -0.0293 -0.1597)
OKLCH	oklch(52.5% 0.162 259.6)
XYZ	xyz(15.8955, 14.0703, 55.2932)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66C6 #C68A2A

analogous

#2AB4C6 #2A66C6 #3C2AC6

triadic

#2A66C6 #C62A66 #66C62A

tetradic

#2A66C6 #C62AB4 #C68A2A #2AC63C

square

#2A66C6 #C62AB4 #C68A2A #2AC63C

split-complementary

#2A66C6 #C63C2A #B4C62A

monochromatic

#153261 #1F4C94 #2A66C6 #5387DA #85AAE5

Accessibility & contrast

On white

5.51

#2A66C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#2A66C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66C6

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66C6	#FFFFFF	#000000	##FFFFFF
##2A66C6	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E70CA

Deuteranopia (green-blind)

#0062C4

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #2a66c6;
/* rgb */ color: rgb(42, 102, 198);
/* oklch */ color: oklch(52.5% 0.162 259.6);

Tailwind

colors: {
  custom: {
    50: '#7b91d8',
    500: '#2a66c6',
    950: '#000000',
  },
}

SCSS

$custom: #2a66c6;
$custom-light: #7b91d8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66c6",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 198
  },
  "hsl": {
    "h": 216.923,
    "s": 65,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52503,
    "c": 0.16235,
    "h": 259.6
  },
  "luminance": 0.14072
}

Semantic roles & 50–950 ramp

primary

#2A66C6

secondary

#CEAF7D

accent

#A740E8

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2A66C6

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

Preview Lab → · Contrast checker → · Palette generator →