#4183DC#4183DC

#4183DC is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 61.1% C 0.151 H 256.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4183DC
RGB	rgb(65, 131, 220)
HSL	hsl(214, 69%, 56%)
HSV	hsv(214, 70%, 86%)
CMYK	cmyk(70.5%, 40.5%, 0%, 13.7%)
CIE-LAB	lab(54.58, 8.32, -51.60)
CIE-LCH	lch(54.58, 52.27, 279.16°)
OKLab	oklab(61.06% -0.0348 -0.1473)
OKLCH	oklch(61.06% 0.151 256.7)
XYZ	xyz(23.2098, 22.5212, 70.8201)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183DC #DC9A41

analogous

#41D0DC #4183DC #4C41DC

triadic

#4183DC #DC4183 #83DC41

tetradic

#4183DC #DC41D0 #DC9A41 #41DC4C

square

#4183DC #DC41D0 #DC9A41 #41DC4C

split-complementary

#4183DC #DC4C41 #D0DC41

monochromatic

#194989 #2364BD #4183DC #75A5E6 #A8C6EF

Accessibility & contrast

On white

3.81

#4183DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#4183DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183DC

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183DC	#FFFFFF	#000000	##000000
##4183DC	1.00	3.81	5.50	5.50
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#598AE0

Deuteranopia (green-blind)

#407CDA

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4183dc;
/* rgb */ color: rgb(65, 131, 220);
/* oklch */ color: oklch(61.1% 0.151 256.7);

Tailwind

colors: {
  custom: {
    50: '#87a6e7',
    500: '#4183dc',
    950: '#000000',
  },
}

SCSS

$custom: #4183dc;
$custom-light: #87a6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4183dc",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 220
  },
  "hsl": {
    "h": 214.452,
    "s": 68.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61057,
    "c": 0.15133,
    "h": 256.7
  },
  "luminance": 0.22524
}

Semantic roles & 50–950 ramp

primary

#4183DC

secondary

#DDC19C

accent

#A13CEC

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4183DC

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

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