#2B75BB#2B75BB

#2B75BB is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.2% C 0.131 H 250.5°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B75BB
RGB	rgb(43, 117, 187)
HSL	hsl(209, 63%, 45%)
HSV	hsv(209, 77%, 73%)
CMYK	cmyk(77%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(48.04, 1.91, -43.27)
CIE-LCH	lch(48.04, 43.31, 272.53°)
OKLab	oklab(55.17% -0.0436 -0.1233)
OKLCH	oklch(55.17% 0.131 250.5)
XYZ	xyz(16.3238, 16.8221, 49.3907)
Luminance	0.1682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B75BB #BB712B

analogous

#2BBBB9 #2B75BB #2B2DBB

triadic

#2B75BB #BB2B75 #75BB2B

tetradic

#2B75BB #B92BBB #BB712B #2DBB2B

square

#2B75BB #B92BBB #BB712B #2DBB2B

split-complementary

#2B75BB #BB2B2D #BBB92B

monochromatic

#143757 #205689 #2B75BB #4D94D6 #7FB2E2

Accessibility & contrast

On white

4.81

#2B75BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#2B75BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B75BB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B75BB	#FFFFFF	#000000	##FFFFFF
##2B75BB	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#3E6CBA

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2b75bb;
/* rgb */ color: rgb(43, 117, 187);
/* oklch */ color: oklch(55.2% 0.131 250.5);

Tailwind

colors: {
  custom: {
    50: '#799cd0',
    500: '#2b75bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b75bb;
$custom-light: #799cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b75bb",
  "rgb": {
    "r": 43,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 209.167,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5517,
    "c": 0.13081,
    "h": 250.5
  },
  "luminance": 0.16824
}

Semantic roles & 50–950 ramp

primary

#2B75BB

secondary

#CAA078

accent

#9242E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2B75BB

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

Preview Lab → · Contrast checker → · Palette generator →