#4374D8#4374D8

#4374D8 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.162 H 262.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4374D8
RGB	rgb(67, 116, 216)
HSL	hsl(220, 66%, 55%)
HSV	hsv(220, 69%, 85%)
CMYK	cmyk(69%, 46.3%, 0%, 15.3%)
CIE-LAB	lab(50.26, 16.42, -56.24)
CIE-LCH	lch(50.26, 58.59, 286.27°)
OKLab	oklab(57.67% -0.0205 -0.1611)
OKLCH	oklch(57.67% 0.162 262.7)
XYZ	xyz(20.9504, 18.6398, 67.4462)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374D8 #D8A743

analogous

#43BFD8 #4374D8 #5C43D8

triadic

#4374D8 #D84374 #74D843

tetradic

#4374D8 #D843BF #D8A743 #43D85C

square

#4374D8 #D843BF #D8A743 #43D85C

split-complementary

#4374D8 #D85C43 #BFD843

monochromatic

#1C3E85 #2656B8 #4374D8 #7699E3 #A8BFED

Accessibility & contrast

On white

4.44

#4374D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4374D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374D8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374D8	#FFFFFF	#000000	##000000
##4374D8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407FDC

Deuteranopia (green-blind)

#2071D6

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4374d8;
/* rgb */ color: rgb(67, 116, 216);
/* oklch */ color: oklch(57.7% 0.162 262.7);

Tailwind

colors: {
  custom: {
    50: '#889be5',
    500: '#4374d8',
    950: '#000000',
  },
}

SCSS

$custom: #4374d8;
$custom-light: #889be5;
$custom-dark: #000000;

JSON

{
  "hex": "#4374d8",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 216
  },
  "hsl": {
    "h": 220.268,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57673,
    "c": 0.16241,
    "h": 262.7
  },
  "luminance": 0.18642
}

Semantic roles & 50–950 ramp

primary

#4374D8

secondary

#DAC69C

accent

#B13FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4374D8

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

Preview Lab → · Contrast checker → · Palette generator →