#375B9D#375B9D

#375B9D is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.8% C 0.115 H 261.5°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#375B9D
RGB	rgb(55, 91, 157)
HSL	hsl(219, 48%, 42%)
HSV	hsv(219, 65%, 62%)
CMYK	cmyk(65%, 42%, 0%, 38.4%)
CIE-LAB	lab(39.12, 9.01, -39.80)
CIE-LCH	lch(39.12, 40.81, 282.75°)
OKLab	oklab(47.8% -0.0169 -0.1134)
OKLCH	oklch(47.8% 0.115 261.5)
XYZ	xyz(11.4003, 10.7277, 33.3616)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375B9D #9D7937

analogous

#378E9D #375B9D #46379D

triadic

#375B9D #9D375B #5B9D37

tetradic

#375B9D #9D378E #9D7937 #379D46

square

#375B9D #9D378E #9D7937 #379D46

split-complementary

#375B9D #9D4637 #8E9D37

monochromatic

#172642 #274170 #375B9D #5078C2 #7D9BD1

Accessibility & contrast

On white

6.68

#375B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#375B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375B9D

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375B9D	#FFFFFF	#000000	##FFFFFF
##375B9D	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D61A0

Deuteranopia (green-blind)

#2E589C

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375b9d;
/* rgb */ color: rgb(55, 91, 157);
/* oklch */ color: oklch(47.8% 0.115 261.5);

Tailwind

colors: {
  custom: {
    50: '#7889ba',
    500: '#375b9d',
    950: '#000000',
  },
}

SCSS

$custom: #375b9d;
$custom-light: #7889ba;
$custom-dark: #000000;

JSON

{
  "hex": "#375b9d",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 157
  },
  "hsl": {
    "h": 218.824,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.478,
    "c": 0.11465,
    "h": 261.5
  },
  "luminance": 0.10729
}

Semantic roles & 50–950 ramp

primary

#375B9D

secondary

#BBA275

accent

#A850D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375B9D

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

Preview Lab → · Contrast checker → · Palette generator →