#375AA0#375AA0

#375AA0 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.8% C 0.120 H 262.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#375AA0
RGB	rgb(55, 90, 160)
HSL	hsl(220, 49%, 42%)
HSV	hsv(220, 66%, 63%)
CMYK	cmyk(65.6%, 43.7%, 0%, 37.3%)
CIE-LAB	lab(39.00, 10.75, -41.77)
CIE-LCH	lch(39.00, 43.13, 284.43°)
OKLab	oklab(47.77% -0.0153 -0.1192)
OKLCH	oklch(47.77% 0.12 262.7)
XYZ	xyz(11.5747, 10.6615, 34.6988)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AA0 #A07D37

analogous

#378FA0 #375AA0 #4937A0

triadic

#375AA0 #A0375A #5AA037

tetradic

#375AA0 #A0378F #A07D37 #37A049

square

#375AA0 #A0378F #A07D37 #37A049

split-complementary

#375AA0 #A04937 #8FA037

monochromatic

#182745 #274072 #375AA0 #5177C3 #7F9BD3

Accessibility & contrast

On white

6.70

#375AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#375AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AA0

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AA0	#FFFFFF	#000000	##FFFFFF
##375AA0	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3961A3

Deuteranopia (green-blind)

#29579F

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375aa0;
/* rgb */ color: rgb(55, 90, 160);
/* oklch */ color: oklch(47.8% 0.120 262.7);

Tailwind

colors: {
  custom: {
    50: '#7988bc',
    500: '#375aa0',
    950: '#000000',
  },
}

SCSS

$custom: #375aa0;
$custom-light: #7988bc;
$custom-dark: #000000;

JSON

{
  "hex": "#375aa0",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 160
  },
  "hsl": {
    "h": 220,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4777,
    "c": 0.12017,
    "h": 262.7
  },
  "luminance": 0.10663
}

Semantic roles & 50–950 ramp

primary

#375AA0

secondary

#BCA577

accent

#AB4FD8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375AA0

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

Preview Lab → · Contrast checker → · Palette generator →