#2B71B3#2B71B3

#2B71B3 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.8% C 0.125 H 250.3°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B71B3
RGB	rgb(43, 113, 179)
HSL	hsl(209, 61%, 44%)
HSV	hsv(209, 76%, 70%)
CMYK	cmyk(76%, 36.9%, 0%, 29.8%)
CIE-LAB	lab(46.41, 1.38, -41.20)
CIE-LCH	lch(46.41, 41.23, 271.92°)
OKLab	oklab(53.76% -0.0421 -0.1173)
OKLCH	oklch(53.76% 0.125 250.3)
XYZ	xyz(15.0350, 15.5768, 44.8533)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B71B3 #B36D2B

analogous

#2BB3B1 #2B71B3 #2B2DB3

triadic

#2B71B3 #B32B71 #71B32B

tetradic

#2B71B3 #B12BB3 #B36D2B #2DB32B

square

#2B71B3 #B12BB3 #B36D2B #2DB32B

split-complementary

#2B71B3 #B32B2D #B3B12B

monochromatic

#133350 #1F5282 #2B71B3 #4890D3 #79AEDF

Accessibility & contrast

On white

5.10

#2B71B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#2B71B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B71B3

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B71B3	#FFFFFF	#000000	##FFFFFF
##2B71B3	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5275B6

Deuteranopia (green-blind)

#3E68B2

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2b71b3;
/* rgb */ color: rgb(43, 113, 179);
/* oklch */ color: oklch(53.8% 0.125 250.3);

Tailwind

colors: {
  custom: {
    50: '#7799ca',
    500: '#2b71b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b71b3;
$custom-light: #7799ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b71b3",
  "rgb": {
    "r": 43,
    "g": 113,
    "b": 179
  },
  "hsl": {
    "h": 209.118,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53758,
    "c": 0.12465,
    "h": 250.3
  },
  "luminance": 0.15579
}

Semantic roles & 50–950 ramp

primary

#2B71B3

secondary

#C79C73

accent

#9243E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2B71B3

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

Preview Lab → · Contrast checker → · Palette generator →