#2175D4#2175D4

#2175D4 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.5% C 0.165 H 255.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#2175D4
RGB	rgb(33, 117, 212)
HSL	hsl(212, 73%, 48%)
HSV	hsv(212, 84%, 83%)
CMYK	cmyk(84.4%, 44.8%, 0%, 16.9%)
CIE-LAB	lab(49.25, 10.43, -55.66)
CIE-LCH	lch(49.25, 56.63, 280.61°)
OKLab	oklab(56.52% -0.0429 -0.1598)
OKLCH	oklch(56.52% 0.165 255)
XYZ	xyz(18.8677, 17.7970, 64.7153)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2175D4 #D48021

analogous

#21CED4 #2175D4 #2721D4

triadic

#2175D4 #D42175 #75D421

tetradic

#2175D4 #D421CE #D48021 #21D427

square

#2175D4 #D421CE #D48021 #21D427

split-complementary

#2175D4 #D42721 #CED421

monochromatic

#113B6A #19589F #2175D4 #4F95E4 #84B4EC

Accessibility & contrast

On white

4.61

#2175D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#2175D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2175D4

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2175D4	#FFFFFF	#000000	##FFFFFF
##2175D4	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427ED8

Deuteranopia (green-blind)

#176ED2

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2175d4;
/* rgb */ color: rgb(33, 117, 212);
/* oklch */ color: oklch(56.5% 0.165 255.0);

Tailwind

colors: {
  custom: {
    50: '#7c9ce2',
    500: '#2175d4',
    950: '#000000',
  },
}

SCSS

$custom: #2175d4;
$custom-light: #7c9ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#2175d4",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 212
  },
  "hsl": {
    "h": 211.844,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56517,
    "c": 0.16547,
    "h": 255
  },
  "luminance": 0.17799
}

Semantic roles & 50–950 ramp

primary

#2175D4

secondary

#D5AB7C

accent

#9A38F0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2175D4

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

Preview Lab → · Contrast checker → · Palette generator →