#375BA8#375BA8

#375BA8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.130 H 263.5°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#375BA8
RGB	rgb(55, 91, 168)
HSL	hsl(221, 51%, 44%)
HSV	hsv(221, 67%, 66%)
CMYK	cmyk(67.3%, 45.8%, 0%, 34.1%)
CIE-LAB	lab(39.78, 13.03, -45.29)
CIE-LCH	lch(39.78, 47.13, 286.05°)
OKLab	oklab(48.53% -0.0148 -0.1295)
OKLCH	oklch(48.53% 0.13 263.5)
XYZ	xyz(12.3820, 11.1203, 38.5321)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BA8 #A88437

analogous

#3793A8 #375BA8 #4B37A8

triadic

#375BA8 #A8375B #5BA837

tetradic

#375BA8 #A83793 #A88437 #37A84B

square

#375BA8 #A83793 #A88437 #37A84B

split-complementary

#375BA8 #A84B37 #93A837

monochromatic

#19294C #28427A #375BA8 #5579C7 #839ED6

Accessibility & contrast

On white

6.51

#375BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#375BA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BA8

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BA8	#FFFFFF	#000000	##FFFFFF
##375BA8	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3563AB

Deuteranopia (green-blind)

#2059A6

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375ba8;
/* rgb */ color: rgb(55, 91, 168);
/* oklch */ color: oklch(48.5% 0.130 263.5);

Tailwind

colors: {
  custom: {
    50: '#7a88c2',
    500: '#375ba8',
    950: '#000000',
  },
}

SCSS

$custom: #375ba8;
$custom-light: #7a88c2;
$custom-dark: #000000;

JSON

{
  "hex": "#375ba8",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 168
  },
  "hsl": {
    "h": 220.885,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48527,
    "c": 0.13035,
    "h": 263.5
  },
  "luminance": 0.11122
}

Semantic roles & 50–950 ramp

primary

#375BA8

secondary

#C0AA7B

accent

#AD4EDA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375BA8

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

Preview Lab → · Contrast checker → · Palette generator →