#2A66B5#2A66B5

#2A66B5 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.3% C 0.140 H 256.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A66B5
RGB	rgb(42, 102, 181)
HSL	hsl(214, 62%, 44%)
HSV	hsv(214, 77%, 71%)
CMYK	cmyk(76.8%, 43.6%, 0%, 29%)
CIE-LAB	lab(43.26, 8.92, -47.40)
CIE-LCH	lch(43.26, 48.24, 280.66°)
OKLab	oklab(51.33% -0.0323 -0.1357)
OKLCH	oklch(51.33% 0.14 256.6)
XYZ	xyz(14.0436, 13.3296, 45.5398)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66B5 #B5792A

analogous

#2AABB5 #2A66B5 #332AB5

triadic

#2A66B5 #B52A66 #66B52A

tetradic

#2A66B5 #B52AAB #B5792A #2AB533

square

#2A66B5 #B52AAB #B5792A #2AB533

split-complementary

#2A66B5 #B5332A #ABB52A

monochromatic

#132E52 #1E4A83 #2A66B5 #4884D4 #79A6E0

Accessibility & contrast

On white

5.73

#2A66B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#2A66B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66B5

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66B5	#FFFFFF	#000000	##FFFFFF
##2A66B5	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6DB8

Deuteranopia (green-blind)

#2460B3

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2a66b5;
/* rgb */ color: rgb(42, 102, 181);
/* oklch */ color: oklch(51.3% 0.140 256.6);

Tailwind

colors: {
  custom: {
    50: '#7891cc',
    500: '#2a66b5',
    950: '#000000',
  },
}

SCSS

$custom: #2a66b5;
$custom-light: #7891cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66b5",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 181
  },
  "hsl": {
    "h": 214.101,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51325,
    "c": 0.13954,
    "h": 256.6
  },
  "luminance": 0.13331
}

Semantic roles & 50–950 ramp

primary

#2A66B5

secondary

#C8A373

accent

#9F42E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A66B5

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

Preview Lab → · Contrast checker → · Palette generator →