#4180DE#4180DE

#4180DE is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.157 H 258.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4180DE
RGB	rgb(65, 128, 222)
HSL	hsl(216, 70%, 56%)
HSV	hsv(216, 71%, 87%)
CMYK	cmyk(70.7%, 42.3%, 0%, 12.9%)
CIE-LAB	lab(53.85, 10.86, -53.88)
CIE-LCH	lch(53.85, 54.97, 281.39°)
OKLab	oklab(60.53% -0.0317 -0.154)
OKLCH	oklch(60.53% 0.157 258.4)
XYZ	xyz(23.0792, 21.8336, 72.0911)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180DE #DE9F41

analogous

#41CEDE #4180DE #5141DE

triadic

#4180DE #DE4180 #80DE41

tetradic

#4180DE #DE41CE #DE9F41 #41DE51

square

#4180DE #DE41CE #DE9F41 #41DE51

split-complementary

#4180DE #DE5141 #CEDE41

monochromatic

#18478C #2161C0 #4180DE #75A3E7 #A9C6F0

Accessibility & contrast

On white

3.91

#4180DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4180DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180DE

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180DE	#FFFFFF	#000000	##000000
##4180DE	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5389E2

Deuteranopia (green-blind)

#377ADC

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4180de;
/* rgb */ color: rgb(65, 128, 222);
/* oklch */ color: oklch(60.5% 0.157 258.4);

Tailwind

colors: {
  custom: {
    50: '#88a4e9',
    500: '#4180de',
    950: '#000000',
  },
}

SCSS

$custom: #4180de;
$custom-light: #88a4e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4180de",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 222
  },
  "hsl": {
    "h": 215.924,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.6053,
    "c": 0.15724,
    "h": 258.4
  },
  "luminance": 0.21836
}

Semantic roles & 50–950 ramp

primary

#4180DE

secondary

#DEC49D

accent

#A63BED

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4180DE

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

Preview Lab → · Contrast checker → · Palette generator →