#375F99#375F99

#375F99 is a mid, moderate blue. Relative luminance 0.113; OKLCH L 48.5% C 0.104 H 257.7°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#375F99
RGB	rgb(55, 95, 153)
HSL	hsl(216, 47%, 41%)
HSV	hsv(216, 64%, 60%)
CMYK	cmyk(64.1%, 37.9%, 0%, 40%)
CIE-LAB	lab(40.07, 4.99, -35.89)
CIE-LCH	lch(40.07, 36.24, 277.92°)
OKLab	oklab(48.47% -0.0222 -0.1019)
OKLCH	oklch(48.47% 0.104 257.7)
XYZ	xyz(11.4155, 11.2955, 31.7095)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375F99 #997137

analogous

#379099 #375F99 #403799

triadic

#375F99 #99375F #5F9937

tetradic

#375F99 #993790 #997137 #379940

square

#375F99 #993790 #997137 #379940

split-complementary

#375F99 #994037 #909937

monochromatic

#17273F #27436C #375F99 #4E7CBF #7B9DD0

Accessibility & contrast

On white

6.44

#375F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#375F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375F99

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375F99	#FFFFFF	#000000	##FFFFFF
##375F99	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46639B

Deuteranopia (green-blind)

#385A98

Tritanopia (blue-blind)

#006C74

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375f99;
/* rgb */ color: rgb(55, 95, 153);
/* oklch */ color: oklch(48.5% 0.104 257.7);

Tailwind

colors: {
  custom: {
    50: '#778cb7',
    500: '#375f99',
    950: '#000000',
  },
}

SCSS

$custom: #375f99;
$custom-light: #778cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#375f99",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 153
  },
  "hsl": {
    "h": 215.51,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48467,
    "c": 0.10426,
    "h": 257.7
  },
  "luminance": 0.11297
}

Semantic roles & 50–950 ramp

primary

#375F99

secondary

#B99C73

accent

#A051D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #375F99

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

Preview Lab → · Contrast checker → · Palette generator →