#4375D1#4375D1

#4375D1 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.4% C 0.152 H 261.4°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4375D1
RGB	rgb(67, 117, 209)
HSL	hsl(219, 61%, 54%)
HSV	hsv(219, 68%, 82%)
CMYK	cmyk(67.9%, 44%, 0%, 18%)
CIE-LAB	lab(50.12, 13.30, -52.50)
CIE-LCH	lch(50.12, 54.16, 284.21°)
OKLab	oklab(57.43% -0.0226 -0.1501)
OKLCH	oklch(57.43% 0.152 261.4)
XYZ	xyz(20.1806, 18.5173, 62.8199)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375D1 #D19F43

analogous

#43BCD1 #4375D1 #5843D1

triadic

#4375D1 #D14375 #75D143

tetradic

#4375D1 #D143BC #D19F43 #43D158

square

#4375D1 #D143BC #D19F43 #43D158

split-complementary

#4375D1 #D15843 #BCD143

monochromatic

#1E3F7B #2A58AD #4375D1 #7499DD #A5BDE9

Accessibility & contrast

On white

4.46

#4375D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4375D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4375D1

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375D1	#FFFFFF	#000000	##000000
##4375D1	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487ED5

Deuteranopia (green-blind)

#2F71CF

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4375d1;
/* rgb */ color: rgb(67, 117, 209);
/* oklch */ color: oklch(57.4% 0.152 261.4);

Tailwind

colors: {
  custom: {
    50: '#869ce0',
    500: '#4375d1',
    950: '#000000',
  },
}

SCSS

$custom: #4375d1;
$custom-light: #869ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#4375d1",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 218.873,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57425,
    "c": 0.15178,
    "h": 261.4
  },
  "luminance": 0.18519
}

Semantic roles & 50–950 ramp

primary

#4375D1

secondary

#D6C19A

accent

#AC44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4375D1

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

Preview Lab → · Contrast checker → · Palette generator →