#4374D9#4374D9

#4374D9 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.7% C 0.164 H 262.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4374D9
RGB	rgb(67, 116, 217)
HSL	hsl(220, 66%, 56%)
HSV	hsv(220, 69%, 85%)
CMYK	cmyk(69.1%, 46.5%, 0%, 14.9%)
CIE-LAB	lab(50.32, 16.77, -56.71)
CIE-LCH	lch(50.32, 59.14, 286.48°)
OKLab	oklab(57.74% -0.0203 -0.1625)
OKLCH	oklch(57.74% 0.164 262.9)
XYZ	xyz(21.0801, 18.6917, 68.1291)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374D9 #D9A843

analogous

#43BFD9 #4374D9 #5D43D9

triadic

#4374D9 #D94374 #74D943

tetradic

#4374D9 #D943BF #D9A843 #43D95D

square

#4374D9 #D943BF #D9A843 #43D95D

split-complementary

#4374D9 #D95D43 #BFD943

monochromatic

#1B3E86 #2556B9 #4374D9 #769AE3 #A9BFEE

Accessibility & contrast

On white

4.43

#4374D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4374D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374D9

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374D9	#FFFFFF	#000000	##000000
##4374D9	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7FDD

Deuteranopia (green-blind)

#1E71D7

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4374d9;
/* rgb */ color: rgb(67, 116, 217);
/* oklch */ color: oklch(57.7% 0.164 262.9);

Tailwind

colors: {
  custom: {
    50: '#889be5',
    500: '#4374d9',
    950: '#000000',
  },
}

SCSS

$custom: #4374d9;
$custom-light: #889be5;
$custom-dark: #000000;

JSON

{
  "hex": "#4374d9",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 217
  },
  "hsl": {
    "h": 220.4,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5774,
    "c": 0.16375,
    "h": 262.9
  },
  "luminance": 0.18694
}

Semantic roles & 50–950 ramp

primary

#4374D9

secondary

#DBC79D

accent

#B23FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4374D9

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

Preview Lab → · Contrast checker → · Palette generator →