#2175A4#2175A4

#2175A4 is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.6% C 0.107 H 238.6°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#2175A4
RGB	rgb(33, 117, 164)
HSL	hsl(202, 66%, 39%)
HSV	hsv(202, 80%, 64%)
CMYK	cmyk(79.9%, 28.7%, 0%, 35.7%)
CIE-LAB	lab(46.61, -7.80, -32.15)
CIE-LCH	lch(46.61, 33.08, 256.36°)
OKLab	oklab(53.59% -0.0555 -0.0909)
OKLCH	oklch(53.59% 0.107 238.6)
XYZ	xyz(13.6867, 15.7246, 37.4286)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2175A4 #A45021

analogous

#21A491 #2175A4 #2133A4

triadic

#2175A4 #A42175 #75A421

tetradic

#2175A4 #9121A4 #A45021 #33A421

square

#2175A4 #9121A4 #A45021 #33A421

split-complementary

#2175A4 #A42133 #A49121

monochromatic

#0C2C3E #175171 #2175A4 #2D99D5 #60B2DF

Accessibility & contrast

On white

5.07

#2175A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#2175A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2175A4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2175A4	#FFFFFF	#000000	##FFFFFF
##2175A4	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F75A6

Deuteranopia (green-blind)

#4D69A3

Tritanopia (blue-blind)

#008185

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2175a4;
/* rgb */ color: rgb(33, 117, 164);
/* oklch */ color: oklch(53.6% 0.107 238.6);

Tailwind

colors: {
  custom: {
    50: '#729cbf',
    500: '#2175a4',
    950: '#000000',
  },
}

SCSS

$custom: #2175a4;
$custom-light: #729cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2175a4",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 164
  },
  "hsl": {
    "h": 201.527,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.53591,
    "c": 0.10653,
    "h": 238.6
  },
  "luminance": 0.15726
}

Semantic roles & 50–950 ramp

primary

#2175A4

secondary

#C4825D

accent

#7C3EE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2175A4

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

Preview Lab → · Contrast checker → · Palette generator →