#2187A0#2187A0

#2187A0 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 57.9% C 0.096 H 218.7°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#2187A0
RGB	rgb(33, 135, 160)
HSL	hsl(192, 66%, 38%)
HSV	hsv(192, 79%, 63%)
CMYK	cmyk(79.4%, 15.6%, 0%, 37.3%)
CIE-LAB	lab(52.05, -19.36, -21.38)
CIE-LCH	lch(52.05, 28.85, 227.85°)
OKLab	oklab(57.88% -0.0745 -0.0598)
OKLCH	oklch(57.88% 0.096 218.7)
XYZ	xyz(15.6336, 20.1874, 36.3235)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2187A0 #A03A21

analogous

#21A079 #2187A0 #2147A0

triadic

#2187A0 #A02187 #87A021

tetradic

#2187A0 #7921A0 #A03A21 #47A021

square

#2187A0 #7921A0 #A03A21 #47A021

split-complementary

#2187A0 #A02147 #A07921

monochromatic

#0C313B #175C6D #2187A0 #2BB2D3 #5EC5DE

Accessibility & contrast

On white

4.17

#2187A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#2187A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2187A0

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2187A0	#FFFFFF	#000000	##000000
##2187A0	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A1

Deuteranopia (green-blind)

#6677A0

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #2187a0;
/* rgb */ color: rgb(33, 135, 160);
/* oklch */ color: oklch(57.9% 0.096 218.7);

Tailwind

colors: {
  custom: {
    50: '#72aabc',
    500: '#2187a0',
    950: '#000000',
  },
}

SCSS

$custom: #2187a0;
$custom-light: #72aabc;
$custom-dark: #000000;

JSON

{
  "hex": "#2187a0",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 160
  },
  "hsl": {
    "h": 191.811,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.57881,
    "c": 0.09557,
    "h": 218.7
  },
  "luminance": 0.20189
}

Semantic roles & 50–950 ramp

primary

#2187A0

secondary

#C26F5B

accent

#603FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2187A0

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

Preview Lab → · Contrast checker → · Palette generator →