#2187A2#2187A2

#2187A2 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.0% C 0.097 H 220.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#2187A2
RGB	rgb(33, 135, 162)
HSL	hsl(193, 66%, 38%)
HSV	hsv(193, 80%, 64%)
CMYK	cmyk(79.6%, 16.7%, 0%, 36.5%)
CIE-LAB	lab(52.13, -18.67, -22.42)
CIE-LCH	lch(52.13, 29.18, 230.21°)
OKLab	oklab(57.97% -0.0737 -0.0628)
OKLCH	oklch(57.97% 0.097 220.4)
XYZ	xyz(15.8100, 20.2580, 37.2523)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2187A2 #A23C21

analogous

#21A27C #2187A2 #2146A2

triadic

#2187A2 #A22187 #87A221

tetradic

#2187A2 #7C21A2 #A23C21 #46A221

square

#2187A2 #7C21A2 #A23C21 #46A221

split-complementary

#2187A2 #A22146 #A27C21

monochromatic

#0C323C #175D6F #2187A2 #2CB1D4 #5FC4DE

Accessibility & contrast

On white

4.16

#2187A2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#2187A2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2187A2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2187A2	#FFFFFF	#000000	##000000
##2187A2	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A3

Deuteranopia (green-blind)

#6677A2

Tritanopia (blue-blind)

#009090

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #2187a2;
/* rgb */ color: rgb(33, 135, 162);
/* oklch */ color: oklch(58.0% 0.097 220.4);

Tailwind

colors: {
  custom: {
    50: '#73aabd',
    500: '#2187a2',
    950: '#000000',
  },
}

SCSS

$custom: #2187a2;
$custom-light: #73aabd;
$custom-dark: #000000;

JSON

{
  "hex": "#2187a2",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 162
  },
  "hsl": {
    "h": 192.558,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.57971,
    "c": 0.09683,
    "h": 220.4
  },
  "luminance": 0.2026
}

Semantic roles & 50–950 ramp

primary

#2187A2

secondary

#C3715C

accent

#623FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2187A2

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

Preview Lab → · Contrast checker → · Palette generator →