#375F9F#375F9F

#375F9F is a mid, moderate blue. Relative luminance 0.115; OKLCH L 48.8% C 0.113 H 259.4°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#375F9F
RGB	rgb(55, 95, 159)
HSL	hsl(217, 49%, 42%)
HSV	hsv(217, 65%, 62%)
CMYK	cmyk(65.4%, 40.3%, 0%, 37.6%)
CIE-LAB	lab(40.41, 7.16, -38.94)
CIE-LCH	lch(40.41, 39.59, 280.42°)
OKLab	oklab(48.84% -0.0207 -0.1108)
OKLCH	oklch(48.84% 0.113 259.4)
XYZ	xyz(11.9235, 11.4987, 34.3853)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375F9F #9F7737

analogous

#37939F #375F9F #43379F

triadic

#375F9F #9F375F #5F9F37

tetradic

#375F9F #9F3793 #9F7737 #379F43

square

#375F9F #9F3793 #9F7737 #379F43

split-complementary

#375F9F #9F4337 #939F37

monochromatic

#182944 #274472 #375F9F #517CC3 #7E9ED2

Accessibility & contrast

On white

6.36

#375F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#375F9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375F9F

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375F9F	#FFFFFF	#000000	##FFFFFF
##375F9F	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4264A2

Deuteranopia (green-blind)

#335B9E

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375f9f;
/* rgb */ color: rgb(55, 95, 159);
/* oklch */ color: oklch(48.8% 0.113 259.4);

Tailwind

colors: {
  custom: {
    50: '#788cbc',
    500: '#375f9f',
    950: '#000000',
  },
}

SCSS

$custom: #375f9f;
$custom-light: #788cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#375f9f",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 159
  },
  "hsl": {
    "h": 216.923,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48836,
    "c": 0.11273,
    "h": 259.4
  },
  "luminance": 0.115
}

Semantic roles & 50–950 ramp

primary

#375F9F

secondary

#BCA176

accent

#A450D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #375F9F

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

Preview Lab → · Contrast checker → · Palette generator →