#4375D8#4375D8

#4375D8 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.161 H 262.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4375D8
RGB	rgb(67, 117, 216)
HSL	hsl(220, 66%, 55%)
HSV	hsv(220, 69%, 85%)
CMYK	cmyk(69%, 45.8%, 0%, 15.3%)
CIE-LAB	lab(50.54, 15.79, -55.80)
CIE-LCH	lch(50.54, 57.99, 285.80°)
OKLab	oklab(57.88% -0.0214 -0.1598)
OKLCH	oklch(57.88% 0.161 262.4)
XYZ	xyz(21.0663, 18.8716, 67.4848)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375D8 #D8A643

analogous

#43BFD8 #4375D8 #5B43D8

triadic

#4375D8 #D84375 #75D843

tetradic

#4375D8 #D843BF #D8A643 #43D85B

square

#4375D8 #D843BF #D8A643 #43D85B

split-complementary

#4375D8 #D85B43 #BFD843

monochromatic

#1C3F85 #2657B8 #4375D8 #769AE3 #A8BFED

Accessibility & contrast

On white

4.40

#4375D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4375D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375D8

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375D8	#FFFFFF	#000000	##000000
##4375D8	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)

#4280DC

Deuteranopia (green-blind)

#2372D6

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4375d8;
/* rgb */ color: rgb(67, 117, 216);
/* oklch */ color: oklch(57.9% 0.161 262.4);

Tailwind

colors: {
  custom: {
    50: '#889ce5',
    500: '#4375d8',
    950: '#000000',
  },
}

SCSS

$custom: #4375d8;
$custom-light: #889ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#4375d8",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 216
  },
  "hsl": {
    "h": 219.866,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57883,
    "c": 0.16123,
    "h": 262.4
  },
  "luminance": 0.18874
}

Semantic roles & 50–950 ramp

primary

#4375D8

secondary

#DAC69C

accent

#B03FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4375D8

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

Preview Lab → · Contrast checker → · Palette generator →