#4374DC#4374DC

#4374DC is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.168 H 263.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4374DC
RGB	rgb(67, 116, 220)
HSL	hsl(221, 69%, 56%)
HSV	hsv(221, 70%, 86%)
CMYK	cmyk(69.5%, 47.3%, 0%, 13.7%)
CIE-LAB	lab(50.51, 17.85, -58.11)
CIE-LCH	lch(50.51, 60.79, 287.07°)
OKLab	oklab(57.94% -0.0199 -0.1666)
OKLCH	oklch(57.94% 0.168 263.2)
XYZ	xyz(21.4738, 18.8492, 70.2028)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374DC #DCAB43

analogous

#43C1DC #4374DC #5F43DC

triadic

#4374DC #DC4374 #74DC43

tetradic

#4374DC #DC43C1 #DCAB43 #43DC5F

square

#4374DC #DC43C1 #DCAB43 #43DC5F

split-complementary

#4374DC #DC5F43 #C1DC43

monochromatic

#1A3E8B #2355BE #4374DC #779AE6 #AAC0EF

Accessibility & contrast

On white

4.40

#4374DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4374DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374DC

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374DC	#FFFFFF	#000000	##000000
##4374DC	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C80E0

Deuteranopia (green-blind)

#1672DA

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4374dc;
/* rgb */ color: rgb(67, 116, 220);
/* oklch */ color: oklch(57.9% 0.168 263.2);

Tailwind

colors: {
  custom: {
    50: '#889be7',
    500: '#4374dc',
    950: '#000000',
  },
}

SCSS

$custom: #4374dc;
$custom-light: #889be7;
$custom-dark: #000000;

JSON

{
  "hex": "#4374dc",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 220
  },
  "hsl": {
    "h": 220.784,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57942,
    "c": 0.16778,
    "h": 263.2
  },
  "luminance": 0.18851
}

Semantic roles & 50–950 ramp

primary

#4374DC

secondary

#DDC99E

accent

#B33CEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4374DC

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

Preview Lab → · Contrast checker → · Palette generator →