#4187DB#4187DB

#4187DB is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.9% C 0.146 H 254.6°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4187DB
RGB	rgb(65, 135, 219)
HSL	hsl(213, 68%, 56%)
HSV	hsv(213, 70%, 86%)
CMYK	cmyk(70.3%, 38.4%, 0%, 14.1%)
CIE-LAB	lab(55.65, 5.55, -49.33)
CIE-LCH	lch(55.65, 49.65, 276.42°)
OKLab	oklab(61.87% -0.0388 -0.1405)
OKLCH	oklch(61.87% 0.146 254.6)
XYZ	xyz(23.6254, 23.5637, 70.3072)
Luminance	0.2357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187DB #DB9541

analogous

#41D4DB #4187DB #4841DB

triadic

#4187DB #DB4187 #87DB41

tetradic

#4187DB #DB41D4 #DB9541 #41DB48

square

#4187DB #DB41D4 #DB9541 #41DB48

split-complementary

#4187DB #DB4841 #D4DB41

monochromatic

#1A4C88 #2368BB #4187DB #74A7E5 #A8C8EE

Accessibility & contrast

On white

3.68

#4187DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#4187DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187DB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187DB	#FFFFFF	#000000	##000000
##4187DB	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608DDE

Deuteranopia (green-blind)

#497FD9

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4187db;
/* rgb */ color: rgb(65, 135, 219);
/* oklch */ color: oklch(61.9% 0.146 254.6);

Tailwind

colors: {
  custom: {
    50: '#87a9e6',
    500: '#4187db',
    950: '#000000',
  },
}

SCSS

$custom: #4187db;
$custom-light: #87a9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4187db",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 219
  },
  "hsl": {
    "h": 212.727,
    "s": 68.142,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61874,
    "c": 0.1458,
    "h": 254.6
  },
  "luminance": 0.23566
}

Semantic roles & 50–950 ramp

primary

#4187DB

secondary

#DCBF9C

accent

#9C3DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4187DB

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

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