#2B71B8#2B71B8

#2B71B8 is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.1% C 0.131 H 251.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B71B8
RGB	rgb(43, 113, 184)
HSL	hsl(210, 62%, 45%)
HSV	hsv(210, 77%, 72%)
CMYK	cmyk(76.6%, 38.6%, 0%, 27.8%)
CIE-LAB	lab(46.69, 3.26, -43.67)
CIE-LCH	lch(46.69, 43.79, 274.26°)
OKLab	oklab(54.06% -0.0408 -0.1246)
OKLCH	oklch(54.06% 0.131 251.9)
XYZ	xyz(15.5499, 15.7827, 47.5649)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B71B8 #B8722B

analogous

#2BB8B8 #2B71B8 #2C2BB8

triadic

#2B71B8 #B82B71 #71B82B

tetradic

#2B71B8 #B82BB8 #B8722B #2BB82C

square

#2B71B8 #B82BB8 #B8722B #2BB82C

split-complementary

#2B71B8 #B82C2B #B8B82B

monochromatic

#143455 #1F5386 #2B71B8 #4B90D5 #7DAEE1

Accessibility & contrast

On white

5.05

#2B71B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#2B71B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B71B8

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B71B8	#FFFFFF	#000000	##FFFFFF
##2B71B8	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5076BB

Deuteranopia (green-blind)

#3A69B7

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2b71b8;
/* rgb */ color: rgb(43, 113, 184);
/* oklch */ color: oklch(54.1% 0.131 251.9);

Tailwind

colors: {
  custom: {
    50: '#7899ce',
    500: '#2b71b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b71b8;
$custom-light: #7899ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b71b8",
  "rgb": {
    "r": 43,
    "g": 113,
    "b": 184
  },
  "hsl": {
    "h": 210.213,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54062,
    "c": 0.13107,
    "h": 251.9
  },
  "luminance": 0.15785
}

Semantic roles & 50–950 ramp

primary

#2B71B8

secondary

#C9A076

accent

#9443E5

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2B71B8

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

Preview Lab → · Contrast checker → · Palette generator →