#375C99#375C99

#375C99 is a mid, moderate blue. Relative luminance 0.108; OKLCH L 47.8% C 0.108 H 259.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#375C99
RGB	rgb(55, 92, 153)
HSL	hsl(217, 47%, 41%)
HSV	hsv(217, 64%, 60%)
CMYK	cmyk(64.1%, 39.9%, 0%, 40%)
CIE-LAB	lab(39.18, 6.91, -37.30)
CIE-LCH	lch(39.18, 37.94, 280.50°)
OKLab	oklab(47.78% -0.0189 -0.106)
OKLCH	oklch(47.78% 0.108 259.9)
XYZ	xyz(11.1504, 10.7654, 31.6211)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375C99 #997437

analogous

#378D99 #375C99 #433799

triadic

#375C99 #99375C #5C9937

tetradic

#375C99 #99378D #997437 #379943

square

#375C99 #99378D #997437 #379943

split-complementary

#375C99 #994337 #8D9937

monochromatic

#17263F #27416C #375C99 #4E79BF #7B9BD0

Accessibility & contrast

On white

6.66

#375C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#375C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375C99

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375C99	#FFFFFF	#000000	##FFFFFF
##375C99	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#335898

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375c99;
/* rgb */ color: rgb(55, 92, 153);
/* oklch */ color: oklch(47.8% 0.108 259.9);

Tailwind

colors: {
  custom: {
    50: '#7789b7',
    500: '#375c99',
    950: '#000000',
  },
}

SCSS

$custom: #375c99;
$custom-light: #7789b7;
$custom-dark: #000000;

JSON

{
  "hex": "#375c99",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 217.347,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47775,
    "c": 0.10772,
    "h": 259.9
  },
  "luminance": 0.10766
}

Semantic roles & 50–950 ramp

primary

#375C99

secondary

#B99E73

accent

#A451D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #375C99

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

Preview Lab → · Contrast checker → · Palette generator →