#375AA1#375AA1

#375AA1 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.8% C 0.122 H 262.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#375AA1
RGB	rgb(55, 90, 161)
HSL	hsl(220, 49%, 42%)
HSV	hsv(220, 66%, 63%)
CMYK	cmyk(65.8%, 44.1%, 0%, 36.9%)
CIE-LAB	lab(39.06, 11.11, -42.27)
CIE-LCH	lch(39.06, 43.71, 284.73°)
OKLab	oklab(47.84% -0.0151 -0.1207)
OKLCH	oklch(47.84% 0.122 262.9)
XYZ	xyz(11.6625, 10.6967, 35.1614)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AA1 #A17E37

analogous

#378FA1 #375AA1 #4937A1

triadic

#375AA1 #A1375A #5AA137

tetradic

#375AA1 #A1378F #A17E37 #37A149

square

#375AA1 #A1378F #A17E37 #37A149

split-complementary

#375AA1 #A14937 #8FA137

monochromatic

#182746 #274073 #375AA1 #5177C4 #7F9BD3

Accessibility & contrast

On white

6.69

#375AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#375AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AA1

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AA1	#FFFFFF	#000000	##FFFFFF
##375AA1	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3961A4

Deuteranopia (green-blind)

#2857A0

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375aa1;
/* rgb */ color: rgb(55, 90, 161);
/* oklch */ color: oklch(47.8% 0.122 262.9);

Tailwind

colors: {
  custom: {
    50: '#7988bd',
    500: '#375aa1',
    950: '#000000',
  },
}

SCSS

$custom: #375aa1;
$custom-light: #7988bd;
$custom-dark: #000000;

JSON

{
  "hex": "#375aa1",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 161
  },
  "hsl": {
    "h": 220.189,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.47836,
    "c": 0.1216,
    "h": 262.9
  },
  "luminance": 0.10698
}

Semantic roles & 50–950 ramp

primary

#375AA1

secondary

#BDA677

accent

#AB4FD9

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375AA1

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

Preview Lab → · Contrast checker → · Palette generator →