#4187D0#4187D0

#4187D0 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.132 H 251.7°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4187D0
RGB	rgb(65, 135, 208)
HSL	hsl(211, 60%, 54%)
HSV	hsv(211, 69%, 82%)
CMYK	cmyk(68.8%, 35.1%, 0%, 18.4%)
CIE-LAB	lab(55.08, 1.68, -44.05)
CIE-LCH	lch(55.08, 44.08, 272.18°)
OKLab	oklab(61.24% -0.0415 -0.1251)
OKLCH	oklch(61.24% 0.132 251.7)
XYZ	xyz(22.2249, 23.0035, 62.9311)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187D0 #D08A41

analogous

#41CFD0 #4187D0 #4241D0

triadic

#4187D0 #D04187 #87D041

tetradic

#4187D0 #D041CF #D08A41 #41D042

square

#4187D0 #D041CF #D08A41 #41D042

split-complementary

#4187D0 #D04241 #CFD041

monochromatic

#1E4A79 #2A69AA #4187D0 #72A6DC #A3C5E8

Accessibility & contrast

On white

3.75

#4187D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#4187D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187D0

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187D0	#FFFFFF	#000000	##000000
##4187D0	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668BD3

Deuteranopia (green-blind)

#527ECF

Tritanopia (blue-blind)

#0098A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4187d0;
/* rgb */ color: rgb(65, 135, 208);
/* oklch */ color: oklch(61.2% 0.132 251.7);

Tailwind

colors: {
  custom: {
    50: '#85a9df',
    500: '#4187d0',
    950: '#000000',
  },
}

SCSS

$custom: #4187d0;
$custom-light: #85a9df;
$custom-dark: #000000;

JSON

{
  "hex": "#4187d0",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 208
  },
  "hsl": {
    "h": 210.629,
    "s": 60.338,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6124,
    "c": 0.13179,
    "h": 251.7
  },
  "luminance": 0.23006
}

Semantic roles & 50–950 ramp

primary

#4187D0

secondary

#D5B798

accent

#9644E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4187D0

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

Preview Lab → · Contrast checker → · Palette generator →