#2B71BC#2B71BC

#2B71BC is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.3% C 0.136 H 253.0°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B71BC
RGB	rgb(43, 113, 188)
HSL	hsl(211, 63%, 45%)
HSV	hsv(211, 77%, 74%)
CMYK	cmyk(77.1%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(46.91, 4.76, -45.63)
CIE-LCH	lch(46.91, 45.88, 275.95°)
OKLab	oklab(54.31% -0.0398 -0.1303)
OKLCH	oklch(54.31% 0.136 253)
XYZ	xyz(15.9751, 15.9528, 49.8045)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B71BC #BC762B

analogous

#2BBABC #2B71BC #2D2BBC

triadic

#2B71BC #BC2B71 #71BC2B

tetradic

#2B71BC #BC2BBA #BC762B #2BBC2D

square

#2B71BC #BC2BBA #BC762B #2BBC2D

split-complementary

#2B71BC #BC2D2B #BABC2B

monochromatic

#143558 #20538A #2B71BC #4E90D6 #80AFE2

Accessibility & contrast

On white

5.01

#2B71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#2B71BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B71BC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B71BC	#FFFFFF	#000000	##FFFFFF
##2B71BC	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BF

Deuteranopia (green-blind)

#3669BB

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2b71bc;
/* rgb */ color: rgb(43, 113, 188);
/* oklch */ color: oklch(54.3% 0.136 253.0);

Tailwind

colors: {
  custom: {
    50: '#7999d0',
    500: '#2b71bc',
    950: '#000000',
  },
}

SCSS

$custom: #2b71bc;
$custom-light: #7999d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b71bc",
  "rgb": {
    "r": 43,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 211.034,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5431,
    "c": 0.13626,
    "h": 253
  },
  "luminance": 0.15955
}

Semantic roles & 50–950 ramp

primary

#2B71BC

secondary

#CBA378

accent

#9742E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2B71BC

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

Preview Lab → · Contrast checker → · Palette generator →