#4180DA#4180DA

#4180DA is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.3% C 0.152 H 257.6°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4180DA
RGB	rgb(65, 128, 218)
HSL	hsl(215, 67%, 55%)
HSV	hsv(215, 70%, 85%)
CMYK	cmyk(70.2%, 41.3%, 0%, 14.5%)
CIE-LAB	lab(53.62, 9.43, -52.00)
CIE-LCH	lch(53.62, 52.85, 280.28°)
OKLab	oklab(60.28% -0.0325 -0.1485)
OKLCH	oklch(60.28% 0.152 257.6)
XYZ	xyz(22.5494, 21.6217, 69.3011)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180DA #DA9B41

analogous

#41CDDA #4180DA #4E41DA

triadic

#4180DA #DA4180 #80DA41

tetradic

#4180DA #DA41CD #DA9B41 #41DA4E

square

#4180DA #DA41CD #DA9B41 #41DA4E

split-complementary

#4180DA #DA4E41 #CDDA41

monochromatic

#1A4786 #2462BA #4180DA #74A2E4 #A7C4EE

Accessibility & contrast

On white

3.94

#4180DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4180DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180DA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180DA	#FFFFFF	#000000	##000000
##4180DA	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DE

Deuteranopia (green-blind)

#3C7AD8

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4180da;
/* rgb */ color: rgb(65, 128, 218);
/* oklch */ color: oklch(60.3% 0.152 257.6);

Tailwind

colors: {
  custom: {
    50: '#87a4e6',
    500: '#4180da',
    950: '#000000',
  },
}

SCSS

$custom: #4180da;
$custom-light: #87a4e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4180da",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 218
  },
  "hsl": {
    "h": 215.294,
    "s": 67.401,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60281,
    "c": 0.15199,
    "h": 257.6
  },
  "luminance": 0.21624
}

Semantic roles & 50–950 ramp

primary

#4180DA

secondary

#DBC19C

accent

#A33EEA

background

#F8FAFE

surface

#F0F3FC

border

#CBCDD5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4180DA

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

Preview Lab → · Contrast checker → · Palette generator →