#2B66B3#2B66B3

#2B66B3 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.2% C 0.137 H 256.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B66B3
RGB	rgb(43, 102, 179)
HSL	hsl(214, 61%, 44%)
HSV	hsv(214, 76%, 70%)
CMYK	cmyk(76%, 43%, 0%, 29.8%)
CIE-LAB	lab(43.17, 8.28, -46.38)
CIE-LCH	lch(43.17, 47.11, 280.13°)
OKLab	oklab(51.23% -0.0321 -0.1327)
OKLCH	oklch(51.23% 0.137 256.4)
XYZ	xyz(13.8813, 13.2694, 44.4687)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66B3 #B3782B

analogous

#2BAAB3 #2B66B3 #342BB3

triadic

#2B66B3 #B32B66 #66B32B

tetradic

#2B66B3 #B32BAA #B3782B #2BB334

square

#2B66B3 #B32BAA #B3782B #2BB334

split-complementary

#2B66B3 #B3342B #AAB32B

monochromatic

#132E50 #1F4A82 #2B66B3 #4884D3 #79A5DF

Accessibility & contrast

On white

5.75

#2B66B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#2B66B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66B3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66B3	#FFFFFF	#000000	##FFFFFF
##2B66B3	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406DB6

Deuteranopia (green-blind)

#2760B1

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2b66b3;
/* rgb */ color: rgb(43, 102, 179);
/* oklch */ color: oklch(51.2% 0.137 256.4);

Tailwind

colors: {
  custom: {
    50: '#7791ca',
    500: '#2b66b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b66b3;
$custom-light: #7791ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66b3",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 179
  },
  "hsl": {
    "h": 213.971,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51225,
    "c": 0.13653,
    "h": 256.4
  },
  "luminance": 0.13271
}

Semantic roles & 50–950 ramp

primary

#2B66B3

secondary

#C7A273

accent

#9F43E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B66B3

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

Preview Lab → · Contrast checker → · Palette generator →