#4186DB#4186DB

#4186DB is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.7% C 0.147 H 255.1°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4186DB
RGB	rgb(65, 134, 219)
HSL	hsl(213, 68%, 56%)
HSV	hsv(213, 70%, 86%)
CMYK	cmyk(70.3%, 38.8%, 0%, 14.1%)
CIE-LAB	lab(55.37, 6.15, -49.78)
CIE-LCH	lch(55.37, 50.16, 277.04°)
OKLab	oklab(61.65% -0.0378 -0.1419)
OKLCH	oklch(61.65% 0.147 255.1)
XYZ	xyz(23.4866, 23.2860, 70.2609)
Luminance	0.2329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4186DB #DB9641

analogous

#41D3DB #4186DB #4941DB

triadic

#4186DB #DB4186 #86DB41

tetradic

#4186DB #DB41D3 #DB9641 #41DB49

square

#4186DB #DB41D3 #DB9641 #41DB49

split-complementary

#4186DB #DB4941 #D3DB41

monochromatic

#1A4B88 #2368BB #4186DB #74A7E5 #A8C8EE

Accessibility & contrast

On white

3.71

#4186DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#4186DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4186DB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4186DB	#FFFFFF	#000000	##000000
##4186DB	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8CDE

Deuteranopia (green-blind)

#477ED9

Tritanopia (blue-blind)

#009AA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4186db;
/* rgb */ color: rgb(65, 134, 219);
/* oklch */ color: oklch(61.7% 0.147 255.1);

Tailwind

colors: {
  custom: {
    50: '#87a8e6',
    500: '#4186db',
    950: '#000000',
  },
}

SCSS

$custom: #4186db;
$custom-light: #87a8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4186db",
  "rgb": {
    "r": 65,
    "g": 134,
    "b": 219
  },
  "hsl": {
    "h": 213.117,
    "s": 68.142,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61653,
    "c": 0.14684,
    "h": 255.1
  },
  "luminance": 0.23288
}

Semantic roles & 50–950 ramp

primary

#4186DB

secondary

#DCBF9C

accent

#9D3DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4186DB

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

Preview Lab → · Contrast checker → · Palette generator →