#4173D3#4173D3

#4173D3 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.157 H 262.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4173D3
RGB	rgb(65, 115, 211)
HSL	hsl(219, 62%, 54%)
HSV	hsv(219, 69%, 83%)
CMYK	cmyk(69.2%, 45.5%, 0%, 17.3%)
CIE-LAB	lab(49.60, 14.95, -54.47)
CIE-LCH	lch(49.60, 56.49, 285.35°)
OKLab	oklab(57.04% -0.022 -0.1559)
OKLCH	oklch(57.04% 0.157 262)
XYZ	xyz(20.0644, 18.0864, 64.0490)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173D3 #D3A141

analogous

#41BCD3 #4173D3 #5841D3

triadic

#4173D3 #D34173 #73D341

tetradic

#4173D3 #D341BC #D3A141 #41D358

square

#4173D3 #D341BC #D3A141 #41D358

split-complementary

#4173D3 #D35841 #BCD341

monochromatic

#1D3E7D #2856AE #4173D3 #7398DF #A4BCEA

Accessibility & contrast

On white

4.55

#4173D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4173D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4173D3

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173D3	#FFFFFF	#000000	##000000
##4173D3	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#427DD7

Deuteranopia (green-blind)

#2570D1

Tritanopia (blue-blind)

#008999

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4173d3;
/* rgb */ color: rgb(65, 115, 211);
/* oklch */ color: oklch(57.0% 0.157 262.0);

Tailwind

colors: {
  custom: {
    50: '#869ae1',
    500: '#4173d3',
    950: '#000000',
  },
}

SCSS

$custom: #4173d3;
$custom-light: #869ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#4173d3",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 211
  },
  "hsl": {
    "h": 219.452,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57043,
    "c": 0.15749,
    "h": 262
  },
  "luminance": 0.18088
}

Semantic roles & 50–950 ramp

primary

#4173D3

secondary

#D7C299

accent

#AE42E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4173D3

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

Preview Lab → · Contrast checker → · Palette generator →