#4183DE#4183DE

#4183DE is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 61.2% C 0.154 H 257.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4183DE
RGB	rgb(65, 131, 222)
HSL	hsl(215, 70%, 56%)
HSV	hsv(215, 71%, 87%)
CMYK	cmyk(70.7%, 41%, 0%, 12.9%)
CIE-LAB	lab(54.69, 9.03, -52.55)
CIE-LCH	lch(54.69, 53.32, 279.75°)
OKLab	oklab(61.18% -0.0344 -0.15)
OKLCH	oklch(61.18% 0.154 257.1)
XYZ	xyz(23.4763, 22.6278, 72.2234)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183DE #DE9C41

analogous

#41D2DE #4183DE #4E41DE

triadic

#4183DE #DE4183 #83DE41

tetradic

#4183DE #DE41D2 #DE9C41 #41DE4E

square

#4183DE #DE41D2 #DE9C41 #41DE4E

split-complementary

#4183DE #DE4E41 #D2DE41

monochromatic

#18498C #2164C0 #4183DE #75A5E7 #A9C7F0

Accessibility & contrast

On white

3.80

#4183DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#4183DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183DE

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183DE	#FFFFFF	#000000	##000000
##4183DE	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588BE2

Deuteranopia (green-blind)

#3E7CDC

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4183de;
/* rgb */ color: rgb(65, 131, 222);
/* oklch */ color: oklch(61.2% 0.154 257.1);

Tailwind

colors: {
  custom: {
    50: '#88a6e9',
    500: '#4183de',
    950: '#000000',
  },
}

SCSS

$custom: #4183de;
$custom-light: #88a6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4183de",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 222
  },
  "hsl": {
    "h": 214.777,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.61179,
    "c": 0.15394,
    "h": 257.1
  },
  "luminance": 0.2263
}

Semantic roles & 50–950 ramp

primary

#4183DE

secondary

#DEC39D

accent

#A23BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4183DE

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

Preview Lab → · Contrast checker → · Palette generator →