#375A99#375A99

#375A99 is a mid, moderate blue. Relative luminance 0.104; OKLCH L 47.3% C 0.110 H 261.3°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#375A99
RGB	rgb(55, 90, 153)
HSL	hsl(219, 47%, 41%)
HSV	hsv(219, 64%, 60%)
CMYK	cmyk(64.1%, 41.2%, 0%, 40%)
CIE-LAB	lab(38.59, 8.20, -38.24)
CIE-LCH	lch(38.59, 39.11, 282.10°)
OKLab	oklab(47.32% -0.0167 -0.1088)
OKLCH	oklch(47.32% 0.11 261.3)
XYZ	xyz(10.9795, 10.4235, 31.5641)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375A99 #997637

analogous

#378B99 #375A99 #453799

triadic

#375A99 #99375A #5A9937

tetradic

#375A99 #99378B #997637 #379945

square

#375A99 #99378B #997637 #379945

split-complementary

#375A99 #994537 #8B9937

monochromatic

#17253F #27406C #375A99 #4E76BF #7B99D0

Accessibility & contrast

On white

6.81

#375A99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#375A99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375A99

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375A99	#FFFFFF	#000000	##FFFFFF
##375A99	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E609B

Deuteranopia (green-blind)

#305798

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #375a99;
/* rgb */ color: rgb(55, 90, 153);
/* oklch */ color: oklch(47.3% 0.110 261.3);

Tailwind

colors: {
  custom: {
    50: '#7888b7',
    500: '#375a99',
    950: '#000000',
  },
}

SCSS

$custom: #375a99;
$custom-light: #7888b7;
$custom-dark: #000000;

JSON

{
  "hex": "#375a99",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 153
  },
  "hsl": {
    "h": 218.571,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47317,
    "c": 0.11011,
    "h": 261.3
  },
  "luminance": 0.10424
}

Semantic roles & 50–950 ramp

primary

#375A99

secondary

#B9A073

accent

#A751D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #375A99

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

Preview Lab → · Contrast checker → · Palette generator →