#375DAD#375DAD

#375DAD is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.135 H 263.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#375DAD
RGB	rgb(55, 93, 173)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 68%, 68%)
CMYK	cmyk(68.2%, 46.2%, 0%, 32.2%)
CIE-LAB	lab(40.67, 13.57, -46.83)
CIE-LCH	lch(40.67, 48.76, 286.16°)
OKLab	oklab(49.31% -0.0159 -0.134)
OKLCH	oklch(49.31% 0.135 263.2)
XYZ	xyz(13.0301, 11.6568, 41.0903)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DAD #AD8737

analogous

#3798AD #375DAD #4C37AD

triadic

#375DAD #AD375D #5DAD37

tetradic

#375DAD #AD3798 #AD8737 #37AD4C

square

#375DAD #AD3798 #AD8737 #37AD4C

split-complementary

#375DAD #AD4C37 #98AD37

monochromatic

#192B50 #28447F #375DAD #577CCA #86A1D8

Accessibility & contrast

On white

6.30

#375DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#375DAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DAD

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DAD	#FFFFFF	#000000	##FFFFFF
##375DAD	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3566B0

Deuteranopia (green-blind)

#1E5BAB

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375dad;
/* rgb */ color: rgb(55, 93, 173);
/* oklch */ color: oklch(49.3% 0.135 263.2);

Tailwind

colors: {
  custom: {
    50: '#7b8ac6',
    500: '#375dad',
    950: '#000000',
  },
}

SCSS

$custom: #375dad;
$custom-light: #7b8ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#375dad",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 173
  },
  "hsl": {
    "h": 220.678,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49305,
    "c": 0.13495,
    "h": 263.2
  },
  "luminance": 0.11658
}

Semantic roles & 50–950 ramp

primary

#375DAD

secondary

#C2AC7D

accent

#AD4DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375DAD

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

Preview Lab → · Contrast checker → · Palette generator →