#4187DE#4187DE

#4187DE is a light, vivid cyan. Relative luminance 0.237; OKLCH L 62.1% C 0.150 H 255.3°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4187DE
RGB	rgb(65, 135, 222)
HSL	hsl(213, 70%, 56%)
HSV	hsv(213, 71%, 87%)
CMYK	cmyk(70.7%, 39.2%, 0%, 12.9%)
CIE-LAB	lab(55.81, 6.61, -50.76)
CIE-LCH	lch(55.81, 51.19, 277.42°)
OKLab	oklab(62.05% -0.0381 -0.1447)
OKLCH	oklch(62.05% 0.15 255.3)
XYZ	xyz(24.0239, 23.7231, 72.4060)
Luminance	0.2373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187DE #DE9841

analogous

#41D6DE #4187DE #4A41DE

triadic

#4187DE #DE4187 #87DE41

tetradic

#4187DE #DE41D6 #DE9841 #41DE4A

square

#4187DE #DE41D6 #DE9841 #41DE4A

split-complementary

#4187DE #DE4A41 #D6DE41

monochromatic

#184C8C #2168C0 #4187DE #75A8E7 #A9C9F0

Accessibility & contrast

On white

3.66

#4187DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#4187DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187DE

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187DE	#FFFFFF	#000000	##000000
##4187DE	1.00	3.66	5.75	5.75
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8EE1

Deuteranopia (green-blind)

#467FDC

Tritanopia (blue-blind)

#009BA8

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4187de;
/* rgb */ color: rgb(65, 135, 222);
/* oklch */ color: oklch(62.1% 0.150 255.3);

Tailwind

colors: {
  custom: {
    50: '#88a9e9',
    500: '#4187de',
    950: '#000000',
  },
}

SCSS

$custom: #4187de;
$custom-light: #88a9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4187de",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 222
  },
  "hsl": {
    "h": 213.248,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62052,
    "c": 0.14965,
    "h": 255.3
  },
  "luminance": 0.23726
}

Semantic roles & 50–950 ramp

primary

#4187DE

secondary

#DEC19D

accent

#9E3BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4187DE

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

Preview Lab → · Contrast checker → · Palette generator →