#4173DA#4173DA

#4173DA is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.5% C 0.167 H 262.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4173DA
RGB	rgb(65, 115, 218)
HSL	hsl(220, 67%, 55%)
HSV	hsv(220, 70%, 85%)
CMYK	cmyk(70.2%, 47.2%, 0%, 14.5%)
CIE-LAB	lab(50.03, 17.47, -57.75)
CIE-LCH	lch(50.03, 60.33, 286.83°)
OKLab	oklab(57.51% -0.0209 -0.1656)
OKLCH	oklch(57.51% 0.167 262.8)
XYZ	xyz(20.9611, 18.4451, 68.7716)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173DA #DAA841

analogous

#41C0DA #4173DA #5B41DA

triadic

#4173DA #DA4173 #73DA41

tetradic

#4173DA #DA41C0 #DAA841 #41DA5B

square

#4173DA #DA41C0 #DAA841 #41DA5B

split-complementary

#4173DA #DA5B41 #C0DA41

monochromatic

#1A3E86 #2455BA #4173DA #7499E4 #A7BEEE

Accessibility & contrast

On white

4.48

#4173DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4173DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4173DA

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173DA	#FFFFFF	#000000	##000000
##4173DA	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7EDE

Deuteranopia (green-blind)

#1470D8

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4173da;
/* rgb */ color: rgb(65, 115, 218);
/* oklch */ color: oklch(57.5% 0.167 262.8);

Tailwind

colors: {
  custom: {
    50: '#879ae6',
    500: '#4173da',
    950: '#000000',
  },
}

SCSS

$custom: #4173da;
$custom-light: #879ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4173da",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 218
  },
  "hsl": {
    "h": 220.392,
    "s": 67.401,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57512,
    "c": 0.1669,
    "h": 262.8
  },
  "luminance": 0.18447
}

Semantic roles & 50–950 ramp

primary

#4173DA

secondary

#DBC69C

accent

#B23EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4173DA

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

Preview Lab → · Contrast checker → · Palette generator →