#2A66B4#2A66B4

#2A66B4 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.3% C 0.138 H 256.4°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#2A66B4
RGB	rgb(42, 102, 180)
HSL	hsl(214, 62%, 44%)
HSV	hsv(214, 77%, 71%)
CMYK	cmyk(76.7%, 43.3%, 0%, 29.4%)
CIE-LAB	lab(43.20, 8.54, -46.92)
CIE-LCH	lch(43.20, 47.69, 280.31°)
OKLab	oklab(51.26% -0.0325 -0.1343)
OKLCH	oklch(51.26% 0.138 256.4)
XYZ	xyz(13.9414, 13.2887, 45.0014)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66B4 #B4782A

analogous

#2AABB4 #2A66B4 #332AB4

triadic

#2A66B4 #B42A66 #66B42A

tetradic

#2A66B4 #B42AAB #B4782A #2AB433

square

#2A66B4 #B42AAB #B4782A #2AB433

split-complementary

#2A66B4 #B4332A #ABB42A

monochromatic

#132E51 #1E4A82 #2A66B4 #4784D4 #79A5E0

Accessibility & contrast

On white

5.74

#2A66B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#2A66B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66B4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66B4	#FFFFFF	#000000	##FFFFFF
##2A66B4	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6DB7

Deuteranopia (green-blind)

#2560B2

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2a66b4;
/* rgb */ color: rgb(42, 102, 180);
/* oklch */ color: oklch(51.3% 0.138 256.4);

Tailwind

colors: {
  custom: {
    50: '#7791cb',
    500: '#2a66b4',
    950: '#000000',
  },
}

SCSS

$custom: #2a66b4;
$custom-light: #7791cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66b4",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 180
  },
  "hsl": {
    "h": 213.913,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51258,
    "c": 0.13819,
    "h": 256.4
  },
  "luminance": 0.1329
}

Semantic roles & 50–950 ramp

primary

#2A66B4

secondary

#C8A272

accent

#9F43E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A66B4

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

Preview Lab → · Contrast checker → · Palette generator →