#4374C0#4374C0

#4374C0 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.1% C 0.130 H 258.9°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4374C0
RGB	rgb(67, 116, 192)
HSL	hsl(216, 50%, 51%)
HSV	hsv(216, 65%, 75%)
CMYK	cmyk(65.1%, 39.6%, 0%, 24.7%)
CIE-LAB	lab(48.87, 7.90, -44.77)
CIE-LCH	lch(48.87, 45.46, 280.01°)
OKLab	oklab(56.15% -0.025 -0.1274)
OKLCH	oklch(56.15% 0.13 258.9)
XYZ	xyz(18.0712, 17.4881, 52.2821)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374C0 #C08F43

analogous

#43B2C0 #4374C0 #5043C0

triadic

#4374C0 #C04374 #74C043

tetradic

#4374C0 #C043B2 #C08F43 #43C050

square

#4374C0 #C043B2 #C08F43 #43C050

split-complementary

#4374C0 #C05043 #B2C043

monochromatic

#223D66 #325894 #4374C0 #7196CF #9FB8DF

Accessibility & contrast

On white

4.67

#4374C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4374C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4374C0

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374C0	#FFFFFF	#000000	##FFFFFF
##4374C0	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC3

Deuteranopia (green-blind)

#406FBE

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4374c0;
/* rgb */ color: rgb(67, 116, 192);
/* oklch */ color: oklch(56.1% 0.130 258.9);

Tailwind

colors: {
  custom: {
    50: '#839bd3',
    500: '#4374c0',
    950: '#000000',
  },
}

SCSS

$custom: #4374c0;
$custom-light: #839bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4374c0",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 192
  },
  "hsl": {
    "h": 216.48,
    "s": 49.801,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56147,
    "c": 0.12984,
    "h": 258.9
  },
  "luminance": 0.1749
}

Semantic roles & 50–950 ramp

primary

#4374C0

secondary

#CBB594

accent

#A34ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4374C0

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

Preview Lab → · Contrast checker → · Palette generator →