#4373BF#4373BF

#4373BF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.130 H 259.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4373BF
RGB	rgb(67, 115, 191)
HSL	hsl(217, 49%, 51%)
HSV	hsv(217, 65%, 75%)
CMYK	cmyk(64.9%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(48.53, 8.17, -44.73)
CIE-LCH	lch(48.53, 45.47, 280.35°)
OKLab	oklab(55.86% -0.0242 -0.1273)
OKLCH	oklch(55.86% 0.13 259.2)
XYZ	xyz(17.8461, 17.2146, 51.6624)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373BF #BF8F43

analogous

#43B1BF #4373BF #5143BF

triadic

#4373BF #BF4373 #73BF43

tetradic

#4373BF #BF43B1 #BF8F43 #43BF51

square

#4373BF #BF43B1 #BF8F43 #43BF51

split-complementary

#4373BF #BF5143 #B1BF43

monochromatic

#223C65 #325793 #4373BF #7195CF #9EB7DE

Accessibility & contrast

On white

4.73

#4373BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#4373BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4373BF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373BF	#FFFFFF	#000000	##FFFFFF
##4373BF	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC2

Deuteranopia (green-blind)

#3F6EBD

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4373bf;
/* rgb */ color: rgb(67, 115, 191);
/* oklch */ color: oklch(55.9% 0.130 259.2);

Tailwind

colors: {
  custom: {
    50: '#839ad3',
    500: '#4373bf',
    950: '#000000',
  },
}

SCSS

$custom: #4373bf;
$custom-light: #839ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4373bf",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 216.774,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55865,
    "c": 0.1296,
    "h": 259.2
  },
  "luminance": 0.17216
}

Semantic roles & 50–950 ramp

primary

#4373BF

secondary

#CAB593

accent

#A34FD9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4373BF

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

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