#2B74BB#2B74BB

#2B74BB is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.132 H 251.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B74BB
RGB	rgb(43, 116, 187)
HSL	hsl(210, 63%, 45%)
HSV	hsv(210, 77%, 73%)
CMYK	cmyk(77%, 38%, 0%, 26.7%)
CIE-LAB	lab(47.74, 2.53, -43.73)
CIE-LCH	lch(47.74, 43.81, 273.31°)
OKLab	oklab(54.94% -0.0428 -0.1247)
OKLCH	oklch(54.94% 0.132 251.1)
XYZ	xyz(16.2079, 16.5903, 49.3521)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B74BB #BB722B

analogous

#2BBBBA #2B74BB #2B2CBB

triadic

#2B74BB #BB2B74 #74BB2B

tetradic

#2B74BB #BA2BBB #BB722B #2CBB2B

square

#2B74BB #BA2BBB #BB722B #2CBB2B

split-complementary

#2B74BB #BB2B2C #BBBA2B

monochromatic

#143657 #205589 #2B74BB #4D93D6 #7FB1E2

Accessibility & contrast

On white

4.86

#2B74BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#2B74BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B74BB

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B74BB	#FFFFFF	#000000	##FFFFFF
##2B74BB	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5378BE

Deuteranopia (green-blind)

#3C6BBA

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2b74bb;
/* rgb */ color: rgb(43, 116, 187);
/* oklch */ color: oklch(54.9% 0.132 251.1);

Tailwind

colors: {
  custom: {
    50: '#799bd0',
    500: '#2b74bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b74bb;
$custom-light: #799bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b74bb",
  "rgb": {
    "r": 43,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 209.583,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54938,
    "c": 0.13182,
    "h": 251.1
  },
  "luminance": 0.16592
}

Semantic roles & 50–950 ramp

primary

#2B74BB

secondary

#CAA078

accent

#9342E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2B74BB

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

Preview Lab → · Contrast checker → · Palette generator →