#2B71BB#2B71BB

#2B71BB is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.2% C 0.135 H 252.7°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#2B71BB
RGB	rgb(43, 113, 187)
HSL	hsl(211, 63%, 45%)
HSV	hsv(211, 77%, 73%)
CMYK	cmyk(77%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(46.86, 4.38, -45.14)
CIE-LCH	lch(46.86, 45.35, 275.55°)
OKLab	oklab(54.25% -0.0401 -0.1289)
OKLCH	oklch(54.25% 0.135 252.7)
XYZ	xyz(15.8677, 15.9098, 49.2387)
Luminance	0.1591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B71BB #BB752B

analogous

#2BB9BB #2B71BB #2D2BBB

triadic

#2B71BB #BB2B71 #71BB2B

tetradic

#2B71BB #BB2BB9 #BB752B #2BBB2D

square

#2B71BB #BB2BB9 #BB752B #2BBB2D

split-complementary

#2B71BB #BB2D2B #B9BB2B

monochromatic

#143557 #205389 #2B71BB #4D90D6 #7FAFE2

Accessibility & contrast

On white

5.02

#2B71BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#2B71BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B71BB

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B71BB	#FFFFFF	#000000	##FFFFFF
##2B71BB	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BE

Deuteranopia (green-blind)

#3769BA

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2b71bb;
/* rgb */ color: rgb(43, 113, 187);
/* oklch */ color: oklch(54.2% 0.135 252.7);

Tailwind

colors: {
  custom: {
    50: '#7999d0',
    500: '#2b71bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b71bb;
$custom-light: #7999d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b71bb",
  "rgb": {
    "r": 43,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 210.833,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54248,
    "c": 0.13497,
    "h": 252.7
  },
  "luminance": 0.15912
}

Semantic roles & 50–950 ramp

primary

#2B71BB

secondary

#CAA278

accent

#9642E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2B71BB

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

Preview Lab → · Contrast checker → · Palette generator →