#375CAD#375CAD

#375CAD is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.136 H 263.7°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#375CAD
RGB	rgb(55, 92, 173)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 68%, 68%)
CMYK	cmyk(68.2%, 46.8%, 0%, 32.2%)
CIE-LAB	lab(40.38, 14.21, -47.29)
CIE-LCH	lch(40.38, 49.38, 286.73°)
OKLab	oklab(49.09% -0.015 -0.1354)
OKLCH	oklch(49.09% 0.136 263.7)
XYZ	xyz(12.9429, 11.4824, 41.0613)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CAD #AD8837

analogous

#3797AD #375CAD #4D37AD

triadic

#375CAD #AD375C #5CAD37

tetradic

#375CAD #AD3797 #AD8837 #37AD4D

square

#375CAD #AD3797 #AD8837 #37AD4D

split-complementary

#375CAD #AD4D37 #97AD37

monochromatic

#192B50 #28437F #375CAD #577BCA #86A0D8

Accessibility & contrast

On white

6.37

#375CAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#375CAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CAD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CAD	#FFFFFF	#000000	##FFFFFF
##375CAD	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3365B0

Deuteranopia (green-blind)

#1B5AAB

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375cad;
/* rgb */ color: rgb(55, 92, 173);
/* oklch */ color: oklch(49.1% 0.136 263.7);

Tailwind

colors: {
  custom: {
    50: '#7b89c6',
    500: '#375cad',
    950: '#000000',
  },
}

SCSS

$custom: #375cad;
$custom-light: #7b89c6;
$custom-dark: #000000;

JSON

{
  "hex": "#375cad",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 173
  },
  "hsl": {
    "h": 221.186,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49087,
    "c": 0.13619,
    "h": 263.7
  },
  "luminance": 0.11484
}

Semantic roles & 50–950 ramp

primary

#375CAD

secondary

#C2AD7D

accent

#AE4DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375CAD

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

Preview Lab → · Contrast checker → · Palette generator →