#2187A6#2187A6

#2187A6 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.2% C 0.100 H 223.6°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#2187A6
RGB	rgb(33, 135, 166)
HSL	hsl(194, 67%, 39%)
HSV	hsv(194, 80%, 65%)
CMYK	cmyk(80.1%, 18.7%, 0%, 34.9%)
CIE-LAB	lab(52.29, -17.29, -24.48)
CIE-LCH	lch(52.29, 29.97, 234.77°)
OKLab	oklab(58.15% -0.0722 -0.0687)
OKLCH	oklch(58.15% 0.1 223.6)
XYZ	xyz(16.1712, 20.4025, 39.1548)
Luminance	0.2040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2187A6 #A64021

analogous

#21A683 #2187A6 #2145A6

triadic

#2187A6 #A62187 #87A621

tetradic

#2187A6 #8321A6 #A64021 #45A621

square

#2187A6 #8321A6 #A64021 #45A621

split-complementary

#2187A6 #A62145 #A68321

monochromatic

#0D3440 #175D73 #2187A6 #2FAFD6 #62C2E0

Accessibility & contrast

On white

4.13

#2187A6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#2187A6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2187A6

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2187A6	#FFFFFF	#000000	##000000
##2187A6	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7584A8

Deuteranopia (green-blind)

#6477A6

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2187a6;
/* rgb */ color: rgb(33, 135, 166);
/* oklch */ color: oklch(58.2% 0.100 223.6);

Tailwind

colors: {
  custom: {
    50: '#73aac0',
    500: '#2187a6',
    950: '#000000',
  },
}

SCSS

$custom: #2187a6;
$custom-light: #73aac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2187a6",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 166
  },
  "hsl": {
    "h": 193.985,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.58154,
    "c": 0.0996,
    "h": 223.6
  },
  "luminance": 0.20404
}

Semantic roles & 50–950 ramp

primary

#2187A6

secondary

#C5765E

accent

#663EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2187A6

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

Preview Lab → · Contrast checker → · Palette generator →