#4180DC#4180DC

#4180DC is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.4% C 0.155 H 258.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4180DC
RGB	rgb(65, 128, 220)
HSL	hsl(216, 69%, 56%)
HSV	hsv(216, 70%, 86%)
CMYK	cmyk(70.5%, 41.8%, 0%, 13.7%)
CIE-LAB	lab(53.74, 10.14, -52.94)
CIE-LCH	lch(53.74, 53.91, 280.85°)
OKLab	oklab(60.41% -0.0321 -0.1512)
OKLCH	oklch(60.41% 0.155 258)
XYZ	xyz(22.8127, 21.7270, 70.6877)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180DC #DC9D41

analogous

#41CDDC #4180DC #4F41DC

triadic

#4180DC #DC4180 #80DC41

tetradic

#4180DC #DC41CD #DC9D41 #41DC4F

square

#4180DC #DC41CD #DC9D41 #41DC4F

split-complementary

#4180DC #DC4F41 #CDDC41

monochromatic

#194789 #2361BD #4180DC #75A3E6 #A8C5EF

Accessibility & contrast

On white

3.93

#4180DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4180DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180DC

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180DC	#FFFFFF	#000000	##000000
##4180DC	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5488E0

Deuteranopia (green-blind)

#3A7ADA

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4180dc;
/* rgb */ color: rgb(65, 128, 220);
/* oklch */ color: oklch(60.4% 0.155 258.0);

Tailwind

colors: {
  custom: {
    50: '#87a4e7',
    500: '#4180dc',
    950: '#000000',
  },
}

SCSS

$custom: #4180dc;
$custom-light: #87a4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4180dc",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 220
  },
  "hsl": {
    "h": 215.613,
    "s": 68.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60405,
    "c": 0.15462,
    "h": 258
  },
  "luminance": 0.21729
}

Semantic roles & 50–950 ramp

primary

#4180DC

secondary

#DDC29C

accent

#A43CEC

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4180DC

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

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