#375FA5#375FA5

#375FA5 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.2% C 0.121 H 260.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#375FA5
RGB	rgb(55, 95, 165)
HSL	hsl(218, 50%, 43%)
HSV	hsv(218, 67%, 65%)
CMYK	cmyk(66.7%, 42.4%, 0%, 35.3%)
CIE-LAB	lab(40.75, 9.34, -41.96)
CIE-LCH	lch(40.75, 42.98, 282.56°)
OKLab	oklab(49.22% -0.0194 -0.1196)
OKLCH	oklch(49.22% 0.121 260.8)
XYZ	xyz(12.4569, 11.7120, 37.1942)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FA5 #A57D37

analogous

#3796A5 #375FA5 #4637A5

triadic

#375FA5 #A5375F #5FA537

tetradic

#375FA5 #A53796 #A57D37 #37A546

square

#375FA5 #A53796 #A57D37 #37A546

split-complementary

#375FA5 #A54637 #96A537

monochromatic

#182A49 #284577 #375FA5 #537DC6 #81A0D5

Accessibility & contrast

On white

6.28

#375FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#375FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FA5

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FA5	#FFFFFF	#000000	##FFFFFF
##375FA5	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F66A8

Deuteranopia (green-blind)

#2D5BA4

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375fa5;
/* rgb */ color: rgb(55, 95, 165);
/* oklch */ color: oklch(49.2% 0.121 260.8);

Tailwind

colors: {
  custom: {
    50: '#7a8cc0',
    500: '#375fa5',
    950: '#000000',
  },
}

SCSS

$custom: #375fa5;
$custom-light: #7a8cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#375fa5",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 165
  },
  "hsl": {
    "h": 218.182,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49217,
    "c": 0.12122,
    "h": 260.8
  },
  "luminance": 0.11713
}

Semantic roles & 50–950 ramp

primary

#375FA5

secondary

#BFA579

accent

#A74EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #375FA5

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

Preview Lab → · Contrast checker → · Palette generator →