#375B90#375B90

#375B90 is a mid, moderate blue. Relative luminance 0.103; OKLCH L 47.0% C 0.096 H 258.0°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#375B90
RGB	rgb(55, 91, 144)
HSL	hsl(216, 45%, 39%)
HSV	hsv(216, 62%, 56%)
CMYK	cmyk(61.8%, 36.8%, 0%, 43.5%)
CIE-LAB	lab(38.39, 4.33, -33.14)
CIE-LCH	lch(38.39, 33.42, 277.44°)
OKLab	oklab(47% -0.02 -0.0939)
OKLCH	oklch(47% 0.096 258)
XYZ	xyz(10.3489, 10.3071, 27.8242)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375B90 #906C37

analogous

#378890 #375B90 #3F3790

triadic

#375B90 #90375B #5B9037

tetradic

#375B90 #903788 #906C37 #37903F

square

#375B90 #903788 #906C37 #37903F

split-complementary

#375B90 #903F37 #889037

monochromatic

#152337 #263F64 #375B90 #4A77BA #7799CB

Accessibility & contrast

On white

6.86

#375B90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#375B90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375B90

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375B90	#FFFFFF	#000000	##FFFFFF
##375B90	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455F92

Deuteranopia (green-blind)

#39578F

Tritanopia (blue-blind)

#00676E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #375b90;
/* rgb */ color: rgb(55, 91, 144);
/* oklch */ color: oklch(47.0% 0.096 258.0);

Tailwind

colors: {
  custom: {
    50: '#7689b1',
    500: '#375b90',
    950: '#000000',
  },
}

SCSS

$custom: #375b90;
$custom-light: #7689b1;
$custom-dark: #000000;

JSON

{
  "hex": "#375b90",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 144
  },
  "hsl": {
    "h": 215.73,
    "s": 44.724,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46996,
    "c": 0.09601,
    "h": 258
  },
  "luminance": 0.10308
}

Semantic roles & 50–950 ramp

primary

#375B90

secondary

#B4986F

accent

#A053D4

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #375B90

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

Preview Lab → · Contrast checker → · Palette generator →