#4374C7#4374C7

#4374C7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.139 H 260.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4374C7
RGB	rgb(67, 116, 199)
HSL	hsl(218, 54%, 52%)
HSV	hsv(218, 66%, 78%)
CMYK	cmyk(66.3%, 41.7%, 0%, 22%)
CIE-LAB	lab(49.26, 10.37, -48.17)
CIE-LCH	lch(49.26, 49.27, 282.15°)
OKLab	oklab(56.58% -0.0235 -0.1374)
OKLCH	oklch(56.58% 0.139 260.3)
XYZ	xyz(18.8653, 17.8057, 56.4644)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374C7 #C79643

analogous

#43B6C7 #4374C7 #5443C7

triadic

#4374C7 #C74374 #74C743

tetradic

#4374C7 #C743B6 #C79643 #43C754

square

#4374C7 #C743B6 #C79643 #43C754

split-complementary

#4374C7 #C75443 #B6C743

monochromatic

#213E6F #2F589E #4374C7 #7297D5 #A1BAE3

Accessibility & contrast

On white

4.60

#4374C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4374C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4374C7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374C7	#FFFFFF	#000000	##FFFFFF
##4374C7	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7CCA

Deuteranopia (green-blind)

#396FC5

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4374c7;
/* rgb */ color: rgb(67, 116, 199);
/* oklch */ color: oklch(56.6% 0.139 260.3);

Tailwind

colors: {
  custom: {
    50: '#859bd8',
    500: '#4374c7',
    950: '#000000',
  },
}

SCSS

$custom: #4374c7;
$custom-light: #859bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4374c7",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 199
  },
  "hsl": {
    "h": 217.727,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56576,
    "c": 0.13937,
    "h": 260.3
  },
  "luminance": 0.17808
}

Semantic roles & 50–950 ramp

primary

#4374C7

secondary

#D0BA96

accent

#A74ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4374C7

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

Preview Lab → · Contrast checker → · Palette generator →