#375E9F#375E9F

#375E9F is a mid, moderate blue. Relative luminance 0.113; OKLCH L 48.6% C 0.114 H 260.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#375E9F
RGB	rgb(55, 94, 159)
HSL	hsl(218, 49%, 42%)
HSV	hsv(218, 65%, 62%)
CMYK	cmyk(65.4%, 40.9%, 0%, 37.6%)
CIE-LAB	lab(40.11, 7.80, -39.41)
CIE-LCH	lch(40.11, 40.17, 281.20°)
OKLab	oklab(48.61% -0.0197 -0.1122)
OKLCH	oklch(48.61% 0.114 260.1)
XYZ	xyz(11.8340, 11.3197, 34.3554)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375E9F #9F7837

analogous

#37929F #375E9F #44379F

triadic

#375E9F #9F375E #5E9F37

tetradic

#375E9F #9F3792 #9F7837 #379F44

square

#375E9F #9F3792 #9F7837 #379F44

split-complementary

#375E9F #9F4437 #929F37

monochromatic

#182844 #274372 #375E9F #517BC3 #7E9ED2

Accessibility & contrast

On white

6.43

#375E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#375E9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375E9F

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375E9F	#FFFFFF	#000000	##FFFFFF
##375E9F	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4164A2

Deuteranopia (green-blind)

#325A9E

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375e9f;
/* rgb */ color: rgb(55, 94, 159);
/* oklch */ color: oklch(48.6% 0.114 260.1);

Tailwind

colors: {
  custom: {
    50: '#788bbc',
    500: '#375e9f',
    950: '#000000',
  },
}

SCSS

$custom: #375e9f;
$custom-light: #788bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#375e9f",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 159
  },
  "hsl": {
    "h": 217.5,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48608,
    "c": 0.11391,
    "h": 260.1
  },
  "luminance": 0.11321
}

Semantic roles & 50–950 ramp

primary

#375E9F

secondary

#BCA276

accent

#A550D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375E9F

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

Preview Lab → · Contrast checker → · Palette generator →