#375AB8#375AB8

#375AB8 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.154 H 265.7°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#375AB8
RGB	rgb(55, 90, 184)
HSL	hsl(224, 54%, 47%)
HSV	hsv(224, 70%, 72%)
CMYK	cmyk(70.1%, 51.1%, 0%, 27.8%)
CIE-LAB	lab(40.55, 19.57, -53.49)
CIE-LCH	lch(40.55, 56.95, 290.09°)
OKLab	oklab(49.45% -0.0117 -0.1536)
OKLCH	oklch(49.45% 0.154 265.7)
XYZ	xyz(13.8804, 11.5838, 46.8425)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AB8 #B89537

analogous

#379BB8 #375AB8 #5537B8

triadic

#375AB8 #B8375A #5AB837

tetradic

#375AB8 #B8379B #B89537 #37B855

square

#375AB8 #B8379B #B89537 #37B855

split-complementary

#375AB8 #B85537 #9BB837

monochromatic

#1B2C5A #294389 #375AB8 #5D7CCF #8DA2DD

Accessibility & contrast

On white

6.33

#375AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#375AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AB8

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AB8	#FFFFFF	#000000	##FFFFFF
##375AB8	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2166BB

Deuteranopia (green-blind)

#005AB6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375ab8;
/* rgb */ color: rgb(55, 90, 184);
/* oklch */ color: oklch(49.4% 0.154 265.7);

Tailwind

colors: {
  custom: {
    50: '#7d88ce',
    500: '#375ab8',
    950: '#000000',
  },
}

SCSS

$custom: #375ab8;
$custom-light: #7d88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#375ab8",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 184
  },
  "hsl": {
    "h": 223.721,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49446,
    "c": 0.15408,
    "h": 265.7
  },
  "luminance": 0.11585
}

Semantic roles & 50–950 ramp

primary

#375AB8

secondary

#C7B584

accent

#B54ADD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375AB8

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

Preview Lab → · Contrast checker → · Palette generator →