#375CA4#375CA4

#375CA4 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.123 H 262.3°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#375CA4
RGB	rgb(55, 92, 164)
HSL	hsl(220, 50%, 43%)
HSV	hsv(220, 66%, 64%)
CMYK	cmyk(66.5%, 43.9%, 0%, 35.7%)
CIE-LAB	lab(39.82, 10.91, -42.85)
CIE-LCH	lch(39.82, 44.21, 284.29°)
OKLab	oklab(48.48% -0.0166 -0.1223)
OKLCH	oklch(48.48% 0.123 262.3)
XYZ	xyz(12.1012, 11.1457, 36.6284)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CA4 #A47F37

analogous

#3792A4 #375CA4 #4837A4

triadic

#375CA4 #A4375C #5CA437

tetradic

#375CA4 #A43792 #A47F37 #37A448

square

#375CA4 #A43792 #A47F37 #37A448

split-complementary

#375CA4 #A44837 #92A437

monochromatic

#182948 #284276 #375CA4 #537AC5 #819DD5

Accessibility & contrast

On white

6.50

#375CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#375CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CA4

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CA4	#FFFFFF	#000000	##FFFFFF
##375CA4	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A63A7

Deuteranopia (green-blind)

#2859A3

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375ca4;
/* rgb */ color: rgb(55, 92, 164);
/* oklch */ color: oklch(48.5% 0.123 262.3);

Tailwind

colors: {
  custom: {
    50: '#7989bf',
    500: '#375ca4',
    950: '#000000',
  },
}

SCSS

$custom: #375ca4;
$custom-light: #7989bf;
$custom-dark: #000000;

JSON

{
  "hex": "#375ca4",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 164
  },
  "hsl": {
    "h": 219.633,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4848,
    "c": 0.12343,
    "h": 262.3
  },
  "luminance": 0.11147
}

Semantic roles & 50–950 ramp

primary

#375CA4

secondary

#BEA779

accent

#AA4FD9

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375CA4

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

Preview Lab → · Contrast checker → · Palette generator →