#375A9E#375A9E

#375A9E is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.6% C 0.117 H 262.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#375A9E
RGB	rgb(55, 90, 158)
HSL	hsl(220, 48%, 42%)
HSV	hsv(220, 65%, 62%)
CMYK	cmyk(65.2%, 43%, 0%, 38%)
CIE-LAB	lab(38.88, 10.02, -40.77)
CIE-LCH	lch(38.88, 41.98, 283.80°)
OKLab	oklab(47.64% -0.0157 -0.1162)
OKLCH	oklch(47.64% 0.117 262.3)
XYZ	xyz(11.4011, 10.5921, 33.7848)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375A9E #9E7B37

analogous

#378E9E #375A9E #48379E

triadic

#375A9E #9E375A #5A9E37

tetradic

#375A9E #9E378E #9E7B37 #379E48

square

#375A9E #9E378E #9E7B37 #379E48

split-complementary

#375A9E #9E4837 #8E9E37

monochromatic

#172643 #274071 #375A9E #5077C2 #7D9AD2

Accessibility & contrast

On white

6.73

#375A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#375A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375A9E

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375A9E	#FFFFFF	#000000	##FFFFFF
##375A9E	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B61A1

Deuteranopia (green-blind)

#2B579D

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375a9e;
/* rgb */ color: rgb(55, 90, 158);
/* oklch */ color: oklch(47.6% 0.117 262.3);

Tailwind

colors: {
  custom: {
    50: '#7888bb',
    500: '#375a9e',
    950: '#000000',
  },
}

SCSS

$custom: #375a9e;
$custom-light: #7888bb;
$custom-dark: #000000;

JSON

{
  "hex": "#375a9e",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 158
  },
  "hsl": {
    "h": 219.612,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47639,
    "c": 0.11729,
    "h": 262.3
  },
  "luminance": 0.10593
}

Semantic roles & 50–950 ramp

primary

#375A9E

secondary

#BBA476

accent

#AA50D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375A9E

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

Preview Lab → · Contrast checker → · Palette generator →