#375A9D#375A9D

#375A9D is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.6% C 0.116 H 262.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#375A9D
RGB	rgb(55, 90, 157)
HSL	hsl(219, 48%, 42%)
HSV	hsv(219, 65%, 62%)
CMYK	cmyk(65%, 42.7%, 0%, 38.4%)
CIE-LAB	lab(38.83, 9.65, -40.27)
CIE-LCH	lch(38.83, 41.41, 283.48°)
OKLab	oklab(47.57% -0.0159 -0.1148)
OKLCH	oklch(47.57% 0.116 262.1)
XYZ	xyz(11.3154, 10.5578, 33.3333)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375A9D #9D7A37

analogous

#378D9D #375A9D #47379D

triadic

#375A9D #9D375A #5A9D37

tetradic

#375A9D #9D378D #9D7A37 #379D47

square

#375A9D #9D378D #9D7A37 #379D47

split-complementary

#375A9D #9D4737 #8D9D37

monochromatic

#172642 #274070 #375A9D #5077C2 #7D9AD1

Accessibility & contrast

On white

6.75

#375A9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#375A9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375A9D

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375A9D	#FFFFFF	#000000	##FFFFFF
##375A9D	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B60A0

Deuteranopia (green-blind)

#2C579C

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #375a9d;
/* rgb */ color: rgb(55, 90, 157);
/* oklch */ color: oklch(47.6% 0.116 262.1);

Tailwind

colors: {
  custom: {
    50: '#7888ba',
    500: '#375a9d',
    950: '#000000',
  },
}

SCSS

$custom: #375a9d;
$custom-light: #7888ba;
$custom-dark: #000000;

JSON

{
  "hex": "#375a9d",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 157
  },
  "hsl": {
    "h": 219.412,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47574,
    "c": 0.11586,
    "h": 262.1
  },
  "luminance": 0.10559
}

Semantic roles & 50–950 ramp

primary

#375A9D

secondary

#BBA375

accent

#A950D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375A9D

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

Preview Lab → · Contrast checker → · Palette generator →