#2187A1#2187A1

#2187A1 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 57.9% C 0.096 H 219.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#2187A1
RGB	rgb(33, 135, 161)
HSL	hsl(192, 66%, 38%)
HSV	hsv(192, 80%, 63%)
CMYK	cmyk(79.5%, 16.1%, 0%, 36.9%)
CIE-LAB	lab(52.09, -19.02, -21.90)
CIE-LCH	lch(52.09, 29.01, 229.04°)
OKLab	oklab(57.93% -0.0741 -0.0613)
OKLCH	oklch(57.93% 0.096 219.6)
XYZ	xyz(15.7215, 20.2225, 36.7861)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2187A1 #A13B21

analogous

#21A17B #2187A1 #2147A1

triadic

#2187A1 #A12187 #87A121

tetradic

#2187A1 #7B21A1 #A13B21 #47A121

square

#2187A1 #7B21A1 #A13B21 #47A121

split-complementary

#2187A1 #A12147 #A17B21

monochromatic

#0C323B #175C6E #2187A1 #2CB2D4 #5EC4DE

Accessibility & contrast

On white

4.16

#2187A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#2187A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2187A1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2187A1	#FFFFFF	#000000	##000000
##2187A1	1.00	4.16	5.04	5.04
#FFFFFF	4.16	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)

#7783A2

Deuteranopia (green-blind)

#6677A1

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #2187a1;
/* rgb */ color: rgb(33, 135, 161);
/* oklch */ color: oklch(57.9% 0.096 219.6);

Tailwind

colors: {
  custom: {
    50: '#72aabd',
    500: '#2187a1',
    950: '#000000',
  },
}

SCSS

$custom: #2187a1;
$custom-light: #72aabd;
$custom-dark: #000000;

JSON

{
  "hex": "#2187a1",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 161
  },
  "hsl": {
    "h": 192.188,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.57926,
    "c": 0.09619,
    "h": 219.6
  },
  "luminance": 0.20224
}

Semantic roles & 50–950 ramp

primary

#2187A1

secondary

#C3705B

accent

#613FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2187A1

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

Preview Lab → · Contrast checker → · Palette generator →