#2187AE#2187AE

#2187AE is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.5% C 0.106 H 229.3°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#2187AE
RGB	rgb(33, 135, 174)
HSL	hsl(197, 68%, 41%)
HSV	hsv(197, 81%, 68%)
CMYK	cmyk(81%, 22.4%, 0%, 31.8%)
CIE-LAB	lab(52.63, -14.48, -28.57)
CIE-LCH	lch(52.63, 32.04, 243.12°)
OKLab	oklab(58.53% -0.0691 -0.0804)
OKLCH	oklch(58.53% 0.106 229.3)
XYZ	xyz(16.9280, 20.7052, 43.1405)
Luminance	0.2071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2187AE #AE4821

analogous

#21AE8E #2187AE #2140AE

triadic

#2187AE #AE2187 #87AE21

tetradic

#2187AE #8E21AE #AE4821 #40AE21

square

#2187AE #8E21AE #AE4821 #40AE21

split-complementary

#2187AE #AE2140 #AE8E21

monochromatic

#0D3747 #175F7B #2187AE #34ABD8 #67C0E2

Accessibility & contrast

On white

4.08

#2187AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#2187AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2187AE

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2187AE	#FFFFFF	#000000	##000000
##2187AE	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7385B0

Deuteranopia (green-blind)

#6078AD

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2187ae;
/* rgb */ color: rgb(33, 135, 174);
/* oklch */ color: oklch(58.5% 0.106 229.3);

Tailwind

colors: {
  custom: {
    50: '#74aac6',
    500: '#2187ae',
    950: '#000000',
  },
}

SCSS

$custom: #2187ae;
$custom-light: #74aac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2187ae",
  "rgb": {
    "r": 33,
    "g": 135,
    "b": 174
  },
  "hsl": {
    "h": 196.596,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58534,
    "c": 0.10603,
    "h": 229.3
  },
  "luminance": 0.20707
}

Semantic roles & 50–950 ramp

primary

#2187AE

secondary

#C87F63

accent

#6D3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2187AE

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

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