#4187DC#4187DC

#4187DC is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.9% C 0.147 H 254.8°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#4187DC
RGB	rgb(65, 135, 220)
HSL	hsl(213, 69%, 56%)
HSV	hsv(213, 70%, 86%)
CMYK	cmyk(70.5%, 38.6%, 0%, 13.7%)
CIE-LAB	lab(55.70, 5.90, -49.81)
CIE-LCH	lch(55.70, 50.16, 276.76°)
OKLab	oklab(61.93% -0.0385 -0.1419)
OKLCH	oklch(61.93% 0.147 254.8)
XYZ	xyz(23.7575, 23.6165, 71.0026)
Luminance	0.2362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187DC #DC9641

analogous

#41D5DC #4187DC #4841DC

triadic

#4187DC #DC4187 #87DC41

tetradic

#4187DC #DC41D5 #DC9641 #41DC48

square

#4187DC #DC41D5 #DC9641 #41DC48

split-complementary

#4187DC #DC4841 #D5DC41

monochromatic

#194C89 #2368BD #4187DC #75A8E6 #A8C8EF

Accessibility & contrast

On white

3.67

#4187DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#4187DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187DC

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187DC	#FFFFFF	#000000	##000000
##4187DC	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608DDF

Deuteranopia (green-blind)

#487FDA

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4187dc;
/* rgb */ color: rgb(65, 135, 220);
/* oklch */ color: oklch(61.9% 0.147 254.8);

Tailwind

colors: {
  custom: {
    50: '#87a9e7',
    500: '#4187dc',
    950: '#000000',
  },
}

SCSS

$custom: #4187dc;
$custom-light: #87a9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4187dc",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 220
  },
  "hsl": {
    "h": 212.903,
    "s": 68.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61933,
    "c": 0.14708,
    "h": 254.8
  },
  "luminance": 0.23619
}

Semantic roles & 50–950 ramp

primary

#4187DC

secondary

#DDC09C

accent

#9C3CEC

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4187DC

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

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