#4373D1#4373D1

#4373D1 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.154 H 262.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4373D1
RGB	rgb(67, 115, 209)
HSL	hsl(220, 61%, 54%)
HSV	hsv(220, 68%, 82%)
CMYK	cmyk(67.9%, 45%, 0%, 18%)
CIE-LAB	lab(49.56, 14.54, -53.39)
CIE-LCH	lch(49.56, 55.33, 285.24°)
OKLab	oklab(57% -0.0207 -0.1527)
OKLCH	oklch(57% 0.154 262.3)
XYZ	xyz(19.9500, 18.0562, 62.7431)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373D1 #D1A143

analogous

#43BAD1 #4373D1 #5A43D1

triadic

#4373D1 #D14373 #73D143

tetradic

#4373D1 #D143BA #D1A143 #43D15A

square

#4373D1 #D143BA #D1A143 #43D15A

split-complementary

#4373D1 #D15A43 #BAD143

monochromatic

#1E3E7B #2A56AD #4373D1 #7498DD #A5BCE9

Accessibility & contrast

On white

4.55

#4373D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4373D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4373D1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373D1	#FFFFFF	#000000	##000000
##4373D1	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447DD5

Deuteranopia (green-blind)

#2A70CF

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4373d1;
/* rgb */ color: rgb(67, 115, 209);
/* oklch */ color: oklch(57.0% 0.154 262.3);

Tailwind

colors: {
  custom: {
    50: '#869ae0',
    500: '#4373d1',
    950: '#000000',
  },
}

SCSS

$custom: #4373d1;
$custom-light: #869ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#4373d1",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 209
  },
  "hsl": {
    "h": 219.718,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56999,
    "c": 0.15413,
    "h": 262.3
  },
  "luminance": 0.18058
}

Semantic roles & 50–950 ramp

primary

#4373D1

secondary

#D6C29A

accent

#AE44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4373D1

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

Preview Lab → · Contrast checker → · Palette generator →