#375F9D#375F9D

#375F9D is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.110 H 258.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#375F9D
RGB	rgb(55, 95, 157)
HSL	hsl(216, 48%, 42%)
HSV	hsv(216, 65%, 62%)
CMYK	cmyk(65%, 39.5%, 0%, 38.4%)
CIE-LAB	lab(40.30, 6.44, -37.93)
CIE-LCH	lch(40.30, 38.47, 279.63°)
OKLab	oklab(48.71% -0.0212 -0.1078)
OKLCH	oklch(48.71% 0.11 258.9)
XYZ	xyz(11.7514, 11.4299, 33.4786)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375F9D #9D7537

analogous

#37929D #375F9D #42379D

triadic

#375F9D #9D375F #5F9D37

tetradic

#375F9D #9D3792 #9D7537 #379D42

square

#375F9D #9D3792 #9D7537 #379D42

split-complementary

#375F9D #9D4237 #929D37

monochromatic

#172842 #274470 #375F9D #507CC2 #7D9ED1

Accessibility & contrast

On white

6.39

#375F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#375F9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375F9D

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375F9D	#FFFFFF	#000000	##FFFFFF
##375F9D	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44649F

Deuteranopia (green-blind)

#355B9C

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375f9d;
/* rgb */ color: rgb(55, 95, 157);
/* oklch */ color: oklch(48.7% 0.110 258.9);

Tailwind

colors: {
  custom: {
    50: '#788cba',
    500: '#375f9d',
    950: '#000000',
  },
}

SCSS

$custom: #375f9d;
$custom-light: #788cba;
$custom-dark: #000000;

JSON

{
  "hex": "#375f9d",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 157
  },
  "hsl": {
    "h": 216.471,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48712,
    "c": 0.1099,
    "h": 258.9
  },
  "luminance": 0.11431
}

Semantic roles & 50–950 ramp

primary

#375F9D

secondary

#BB9F75

accent

#A350D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #375F9D

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

Preview Lab → · Contrast checker → · Palette generator →