#4187CA#4187CA

#4187CA is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.9% C 0.124 H 249.7°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4187CA
RGB	rgb(65, 135, 202)
HSL	hsl(209, 56%, 52%)
HSV	hsv(209, 68%, 79%)
CMYK	cmyk(67.8%, 33.2%, 0%, 20.8%)
CIE-LAB	lab(54.78, -0.42, -41.13)
CIE-LCH	lch(54.78, 41.13, 269.42°)
OKLab	oklab(60.91% -0.0431 -0.1166)
OKLCH	oklch(60.91% 0.124 249.7)
XYZ	xyz(21.5006, 22.7138, 59.1167)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187CA #CA8441

analogous

#41CAC9 #4187CA #4142CA

triadic

#4187CA #CA4187 #87CA41

tetradic

#4187CA #C941CA #CA8441 #42CA41

square

#4187CA #C941CA #CA8441 #42CA41

split-complementary

#4187CA #CA4142 #CAC941

monochromatic

#204971 #2D68A1 #4187CA #71A5D7 #A1C3E5

Accessibility & contrast

On white

3.79

#4187CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4187CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187CA

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187CA	#FFFFFF	#000000	##000000
##4187CA	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698ACD

Deuteranopia (green-blind)

#567DC9

Tritanopia (blue-blind)

#00979F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4187ca;
/* rgb */ color: rgb(65, 135, 202);
/* oklch */ color: oklch(60.9% 0.124 249.7);

Tailwind

colors: {
  custom: {
    50: '#84a9da',
    500: '#4187ca',
    950: '#000000',
  },
}

SCSS

$custom: #4187ca;
$custom-light: #84a9da;
$custom-dark: #000000;

JSON

{
  "hex": "#4187ca",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 202
  },
  "hsl": {
    "h": 209.343,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.60907,
    "c": 0.12428,
    "h": 249.7
  },
  "luminance": 0.22716
}

Semantic roles & 50–950 ramp

primary

#4187CA

secondary

#D1B396

accent

#9248E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4187CA

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

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