#4375D2#4375D2

#4375D2 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.153 H 261.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4375D2
RGB	rgb(67, 117, 210)
HSL	hsl(219, 61%, 54%)
HSV	hsv(219, 68%, 82%)
CMYK	cmyk(68.1%, 44.3%, 0%, 17.6%)
CIE-LAB	lab(50.18, 13.65, -52.98)
CIE-LCH	lch(50.18, 54.71, 284.45°)
OKLab	oklab(57.49% -0.0224 -0.1515)
OKLCH	oklch(57.49% 0.153 261.6)
XYZ	xyz(20.3048, 18.5670, 63.4740)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375D2 #D2A043

analogous

#43BDD2 #4375D2 #5943D2

triadic

#4375D2 #D24375 #75D243

tetradic

#4375D2 #D243BD #D2A043 #43D259

square

#4375D2 #D243BD #D2A043 #43D259

split-complementary

#4375D2 #D25943 #BDD243

monochromatic

#1E3F7D #2A58AE #4375D2 #7499DE #A6BDEA

Accessibility & contrast

On white

4.46

#4375D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4375D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375D2

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375D2	#FFFFFF	#000000	##000000
##4375D2	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ED6

Deuteranopia (green-blind)

#2E71D0

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4375d2;
/* rgb */ color: rgb(67, 117, 210);
/* oklch */ color: oklch(57.5% 0.153 261.6);

Tailwind

colors: {
  custom: {
    50: '#879ce0',
    500: '#4375d2',
    950: '#000000',
  },
}

SCSS

$custom: #4375d2;
$custom-light: #879ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#4375d2",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 210
  },
  "hsl": {
    "h": 219.021,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5749,
    "c": 0.15314,
    "h": 261.6
  },
  "luminance": 0.18569
}

Semantic roles & 50–950 ramp

primary

#4375D2

secondary

#D7C29A

accent

#AC43E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4375D2

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

Preview Lab → · Contrast checker → · Palette generator →