#375BBD#375BBD

#375BBD is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.160 H 265.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#375BBD
RGB	rgb(55, 91, 189)
HSL	hsl(224, 55%, 48%)
HSV	hsv(224, 71%, 74%)
CMYK	cmyk(70.9%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(41.16, 20.76, -55.41)
CIE-LCH	lch(41.16, 59.17, 290.54°)
OKLab	oklab(50.02% -0.012 -0.1593)
OKLCH	oklch(50.02% 0.16 265.7)
XYZ	xyz(14.4987, 11.9670, 49.6800)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BBD #BD9937

analogous

#379EBD #375BBD #5637BD

triadic

#375BBD #BD375B #5BBD37

tetradic

#375BBD #BD379E #BD9937 #37BD56

square

#375BBD #BD379E #BD9937 #37BD56

split-complementary

#375BBD #BD5637 #9EBD37

monochromatic

#1B2D5E #29448E #375BBD #607FD1 #90A5DF

Accessibility & contrast

On white

6.19

#375BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#375BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BBD

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BBD	#FFFFFF	#000000	##FFFFFF
##375BBD	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C68C0

Deuteranopia (green-blind)

#005BBB

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375bbd;
/* rgb */ color: rgb(55, 91, 189);
/* oklch */ color: oklch(50.0% 0.160 265.7);

Tailwind

colors: {
  custom: {
    50: '#7e88d2',
    500: '#375bbd',
    950: '#000000',
  },
}

SCSS

$custom: #375bbd;
$custom-light: #7e88d2;
$custom-dark: #000000;

JSON

{
  "hex": "#375bbd",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 223.881,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50023,
    "c": 0.15974,
    "h": 265.7
  },
  "luminance": 0.11969
}

Semantic roles & 50–950 ramp

primary

#375BBD

secondary

#C9B786

accent

#B64ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375BBD

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

Preview Lab → · Contrast checker → · Palette generator →