#4374D5#4374D5

#4374D5 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.5% C 0.158 H 262.4°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4374D5
RGB	rgb(67, 116, 213)
HSL	hsl(220, 63%, 55%)
HSV	hsv(220, 69%, 84%)
CMYK	cmyk(68.5%, 45.5%, 0%, 16.5%)
CIE-LAB	lab(50.08, 15.35, -54.83)
CIE-LCH	lch(50.08, 56.94, 285.63°)
OKLab	oklab(57.47% -0.021 -0.157)
OKLCH	oklch(57.47% 0.158 262.4)
XYZ	xyz(20.5661, 18.4861, 65.4222)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374D5 #D5A443

analogous

#43BDD5 #4374D5 #5B43D5

triadic

#4374D5 #D54374 #74D543

tetradic

#4374D5 #D543BD #D5A443 #43D55B

square

#4374D5 #D543BD #D5A443 #43D55B

split-complementary

#4374D5 #D55B43 #BDD543

monochromatic

#1D3E81 #2857B3 #4374D5 #7599E0 #A7BEEB

Accessibility & contrast

On white

4.47

#4374D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4374D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374D5

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374D5	#FFFFFF	#000000	##000000
##4374D5	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#437ED9

Deuteranopia (green-blind)

#2671D3

Tritanopia (blue-blind)

#008B9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4374d5;
/* rgb */ color: rgb(67, 116, 213);
/* oklch */ color: oklch(57.5% 0.158 262.4);

Tailwind

colors: {
  custom: {
    50: '#879be2',
    500: '#4374d5',
    950: '#000000',
  },
}

SCSS

$custom: #4374d5;
$custom-light: #879be2;
$custom-dark: #000000;

JSON

{
  "hex": "#4374d5",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 213
  },
  "hsl": {
    "h": 219.863,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57474,
    "c": 0.15836,
    "h": 262.4
  },
  "luminance": 0.18488
}

Semantic roles & 50–950 ramp

primary

#4374D5

secondary

#D9C49B

accent

#AF41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4374D5

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

Preview Lab → · Contrast checker → · Palette generator →