#2175A8#2175A8

#2175A8 is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.8% C 0.111 H 240.8°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#2175A8
RGB	rgb(33, 117, 168)
HSL	hsl(203, 67%, 39%)
HSV	hsv(203, 80%, 66%)
CMYK	cmyk(80.4%, 30.4%, 0%, 34.1%)
CIE-LAB	lab(46.81, -6.32, -34.19)
CIE-LCH	lch(46.81, 34.77, 259.53°)
OKLab	oklab(53.81% -0.0541 -0.0969)
OKLCH	oklch(53.81% 0.111 240.8)
XYZ	xyz(14.0536, 15.8713, 39.3610)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2175A8 #A85421

analogous

#21A898 #2175A8 #2131A8

triadic

#2175A8 #A82175 #75A821

tetradic

#2175A8 #9821A8 #A85421 #31A821

square

#2175A8 #9821A8 #A85421 #31A821

split-complementary

#2175A8 #A82131 #A89821

monochromatic

#0D2E42 #175175 #2175A8 #3097D6 #63B1E0

Accessibility & contrast

On white

5.03

#2175A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#2175A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2175A8

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2175A8	#FFFFFF	#000000	##FFFFFF
##2175A8	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D76AA

Deuteranopia (green-blind)

#4B69A7

Tritanopia (blue-blind)

#008287

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2175a8;
/* rgb */ color: rgb(33, 117, 168);
/* oklch */ color: oklch(53.8% 0.111 240.8);

Tailwind

colors: {
  custom: {
    50: '#729cc2',
    500: '#2175a8',
    950: '#000000',
  },
}

SCSS

$custom: #2175a8;
$custom-light: #729cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2175a8",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 168
  },
  "hsl": {
    "h": 202.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.53809,
    "c": 0.11098,
    "h": 240.8
  },
  "luminance": 0.15873
}

Semantic roles & 50–950 ramp

primary

#2175A8

secondary

#C5865F

accent

#7F3EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2175A8

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

Preview Lab → · Contrast checker → · Palette generator →