#2B66B5#2B66B5

#2B66B5 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.4% C 0.139 H 256.8°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B66B5
RGB	rgb(43, 102, 181)
HSL	hsl(214, 62%, 44%)
HSV	hsv(214, 76%, 71%)
CMYK	cmyk(76.2%, 43.6%, 0%, 29%)
CIE-LAB	lab(43.29, 9.04, -47.35)
CIE-LCH	lch(43.29, 48.21, 280.81°)
OKLab	oklab(51.36% -0.0317 -0.1356)
OKLCH	oklch(51.36% 0.139 256.8)
XYZ	xyz(14.0851, 13.3509, 45.5418)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66B5 #B57A2B

analogous

#2BABB5 #2B66B5 #352BB5

triadic

#2B66B5 #B52B66 #66B52B

tetradic

#2B66B5 #B52BAB #B57A2B #2BB535

square

#2B66B5 #B52BAB #B57A2B #2BB535

split-complementary

#2B66B5 #B5352B #ABB52B

monochromatic

#142E52 #1F4A84 #2B66B5 #4985D4 #7BA6E0

Accessibility & contrast

On white

5.72

#2B66B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#2B66B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66B5

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66B5	#FFFFFF	#000000	##FFFFFF
##2B66B5	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	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: #2b66b5;
/* rgb */ color: rgb(43, 102, 181);
/* oklch */ color: oklch(51.4% 0.139 256.8);

Tailwind

colors: {
  custom: {
    50: '#7891cc',
    500: '#2b66b5',
    950: '#000000',
  },
}

SCSS

$custom: #2b66b5;
$custom-light: #7891cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66b5",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 181
  },
  "hsl": {
    "h": 214.348,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51358,
    "c": 0.13923,
    "h": 256.8
  },
  "luminance": 0.13353
}

Semantic roles & 50–950 ramp

primary

#2B66B5

secondary

#C8A474

accent

#A043E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B66B5

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

Preview Lab → · Contrast checker → · Palette generator →