#375DBD#375DBD

#375DBD is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.157 H 265.0°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#375DBD
RGB	rgb(55, 93, 189)
HSL	hsl(223, 55%, 48%)
HSV	hsv(223, 71%, 74%)
CMYK	cmyk(70.9%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(41.71, 19.47, -54.53)
CIE-LCH	lch(41.71, 57.90, 289.65°)
OKLab	oklab(50.44% -0.0137 -0.1567)
OKLCH	oklch(50.44% 0.157 265)
XYZ	xyz(14.6720, 12.3135, 49.7378)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DBD #BD9737

analogous

#37A0BD #375DBD #5437BD

triadic

#375DBD #BD375D #5DBD37

tetradic

#375DBD #BD37A0 #BD9737 #37BD54

square

#375DBD #BD37A0 #BD9737 #37BD54

split-complementary

#375DBD #BD5437 #A0BD37

monochromatic

#1B2E5E #29468E #375DBD #6080D1 #90A6DF

Accessibility & contrast

On white

6.06

#375DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#375DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DBD

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DBD	#FFFFFF	#000000	##FFFFFF
##375DBD	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2369C0

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375dbd;
/* rgb */ color: rgb(55, 93, 189);
/* oklch */ color: oklch(50.4% 0.157 265.0);

Tailwind

colors: {
  custom: {
    50: '#7e8ad1',
    500: '#375dbd',
    950: '#000000',
  },
}

SCSS

$custom: #375dbd;
$custom-light: #7e8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#375dbd",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 222.985,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50439,
    "c": 0.15726,
    "h": 265
  },
  "luminance": 0.12315
}

Semantic roles & 50–950 ramp

primary

#375DBD

secondary

#C9B686

accent

#B44ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375DBD

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

Preview Lab → · Contrast checker → · Palette generator →