#4374BE#4374BE

#4374BE is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.0% C 0.127 H 258.4°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4374BE
RGB	rgb(67, 116, 190)
HSL	hsl(216, 49%, 50%)
HSV	hsv(216, 65%, 75%)
CMYK	cmyk(64.7%, 38.9%, 0%, 25.5%)
CIE-LAB	lab(48.76, 7.20, -43.79)
CIE-LCH	lch(48.76, 44.38, 279.34°)
OKLab	oklab(56.03% -0.0255 -0.1245)
OKLCH	oklch(56.03% 0.127 258.4)
XYZ	xyz(17.8511, 17.4001, 51.1230)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374BE #BE8D43

analogous

#43B1BE #4374BE #4F43BE

triadic

#4374BE #BE4374 #74BE43

tetradic

#4374BE #BE43B1 #BE8D43 #43BE4F

square

#4374BE #BE43B1 #BE8D43 #43BE4F

split-complementary

#4374BE #BE4F43 #B1BE43

monochromatic

#233D64 #325891 #4374BE #7096CE #9EB7DD

Accessibility & contrast

On white

4.69

#4374BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4374BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4374BE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374BE	#FFFFFF	#000000	##FFFFFF
##4374BE	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537AC1

Deuteranopia (green-blind)

#416FBC

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4374be;
/* rgb */ color: rgb(67, 116, 190);
/* oklch */ color: oklch(56.0% 0.127 258.4);

Tailwind

colors: {
  custom: {
    50: '#839bd2',
    500: '#4374be',
    950: '#000000',
  },
}

SCSS

$custom: #4374be;
$custom-light: #839bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4374be",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 190
  },
  "hsl": {
    "h": 216.098,
    "s": 48.617,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56026,
    "c": 0.12712,
    "h": 258.4
  },
  "luminance": 0.17402
}

Semantic roles & 50–950 ramp

primary

#4374BE

secondary

#CAB493

accent

#A250D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4374BE

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

Preview Lab → · Contrast checker → · Palette generator →