#375BC4#375BC4

#375BC4 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.169 H 266.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#375BC4
RGB	rgb(55, 91, 196)
HSL	hsl(225, 56%, 49%)
HSV	hsv(225, 72%, 77%)
CMYK	cmyk(71.9%, 53.6%, 0%, 23.1%)
CIE-LAB	lab(41.66, 23.34, -58.69)
CIE-LCH	lch(41.66, 63.16, 291.69°)
OKLab	oklab(50.55% -0.0114 -0.1689)
OKLCH	oklch(50.55% 0.169 266.1)
XYZ	xyz(15.2770, 12.2783, 53.7787)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BC4 #C4A037

analogous

#37A2C4 #375BC4 #5A37C4

triadic

#375BC4 #C4375B #5BC437

tetradic

#375BC4 #C437A2 #C4A037 #37C45A

square

#375BC4 #C437A2 #C4A037 #37C45A

split-complementary

#375BC4 #C45A37 #A2C437

monochromatic

#1C2F64 #2A4594 #375BC4 #6581D4 #94A8E1

Accessibility & contrast

On white

6.08

#375BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#375BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BC4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BC4	#FFFFFF	#000000	##FFFFFF
##375BC4	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0969C8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375bc4;
/* rgb */ color: rgb(55, 91, 196);
/* oklch */ color: oklch(50.6% 0.169 266.1);

Tailwind

colors: {
  custom: {
    50: '#8088d7',
    500: '#375bc4',
    950: '#000000',
  },
}

SCSS

$custom: #375bc4;
$custom-light: #8088d7;
$custom-dark: #000000;

JSON

{
  "hex": "#375bc4",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 196
  },
  "hsl": {
    "h": 224.681,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50552,
    "c": 0.1693,
    "h": 266.1
  },
  "luminance": 0.1228
}

Semantic roles & 50–950 ramp

primary

#375BC4

secondary

#CCBB8B

accent

#B948DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #375BC4

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

Preview Lab → · Contrast checker → · Palette generator →