#375DA5#375DA5

#375DA5 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.124 H 261.9°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#375DA5
RGB	rgb(55, 93, 165)
HSL	hsl(219, 50%, 43%)
HSV	hsv(219, 67%, 65%)
CMYK	cmyk(66.7%, 43.6%, 0%, 35.3%)
CIE-LAB	lab(40.17, 10.63, -42.88)
CIE-LCH	lch(40.17, 44.18, 283.92°)
OKLab	oklab(48.77% -0.0174 -0.1224)
OKLCH	oklch(48.77% 0.124 261.9)
XYZ	xyz(12.2790, 11.3564, 37.1349)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DA5 #A57F37

analogous

#3794A5 #375DA5 #4837A5

triadic

#375DA5 #A5375D #5DA537

tetradic

#375DA5 #A53794 #A57F37 #37A548

square

#375DA5 #A53794 #A57F37 #37A548

split-complementary

#375DA5 #A54837 #94A537

monochromatic

#182949 #284377 #375DA5 #537BC6 #819ED5

Accessibility & contrast

On white

6.42

#375DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#375DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DA5

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DA5	#FFFFFF	#000000	##FFFFFF
##375DA5	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B64A8

Deuteranopia (green-blind)

#295AA4

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375da5;
/* rgb */ color: rgb(55, 93, 165);
/* oklch */ color: oklch(48.8% 0.124 261.9);

Tailwind

colors: {
  custom: {
    50: '#7a8ac0',
    500: '#375da5',
    950: '#000000',
  },
}

SCSS

$custom: #375da5;
$custom-light: #7a8ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#375da5",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 165
  },
  "hsl": {
    "h": 219.273,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48769,
    "c": 0.12363,
    "h": 261.9
  },
  "luminance": 0.11358
}

Semantic roles & 50–950 ramp

primary

#375DA5

secondary

#BFA779

accent

#A94EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375DA5

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

Preview Lab → · Contrast checker → · Palette generator →