#2175BD#2175BD

#2175BD is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.136 H 249.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#2175BD
RGB	rgb(33, 117, 189)
HSL	hsl(208, 70%, 44%)
HSV	hsv(208, 83%, 74%)
CMYK	cmyk(82.5%, 38.1%, 0%, 25.9%)
CIE-LAB	lab(47.90, 1.61, -44.64)
CIE-LCH	lch(47.90, 44.67, 272.07°)
OKLab	oklab(55.03% -0.048 -0.1274)
OKLCH	oklch(55.03% 0.136 249.3)
XYZ	xyz(16.1703, 16.7180, 50.5089)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2175BD #BD6921

analogous

#21BDB7 #2175BD #2127BD

triadic

#2175BD #BD2175 #75BD21

tetradic

#2175BD #B721BD #BD6921 #27BD21

square

#2175BD #B721BD #BD6921 #27BD21

split-complementary

#2175BD #BD2127 #BDB721

monochromatic

#0F3455 #185589 #2175BD #3E94DD #72B1E6

Accessibility & contrast

On white

4.83

#2175BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#2175BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2175BD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2175BD	#FFFFFF	#000000	##FFFFFF
##2175BD	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C0

Deuteranopia (green-blind)

#3A6BBC

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2175bd;
/* rgb */ color: rgb(33, 117, 189);
/* oklch */ color: oklch(55.0% 0.136 249.3);

Tailwind

colors: {
  custom: {
    50: '#779cd1',
    500: '#2175bd',
    950: '#000000',
  },
}

SCSS

$custom: #2175bd;
$custom-light: #779cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2175bd",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 189
  },
  "hsl": {
    "h": 207.692,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55033,
    "c": 0.13621,
    "h": 249.3
  },
  "luminance": 0.1672
}

Semantic roles & 50–950 ramp

primary

#2175BD

secondary

#CD996D

accent

#8D3BED

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2175BD

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

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