#375BAB#375BAB

#375BAB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.135 H 263.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#375BAB
RGB	rgb(55, 91, 171)
HSL	hsl(221, 51%, 44%)
HSV	hsv(221, 68%, 67%)
CMYK	cmyk(67.8%, 46.8%, 0%, 32.9%)
CIE-LAB	lab(39.97, 14.13, -46.76)
CIE-LCH	lch(39.97, 48.85, 286.81°)
OKLab	oklab(48.73% -0.0143 -0.1338)
OKLCH	oklch(48.73% 0.135 263.9)
XYZ	xyz(12.6647, 11.2334, 40.0210)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BAB #AB8737

analogous

#3795AB #375BAB #4D37AB

triadic

#375BAB #AB375B #5BAB37

tetradic

#375BAB #AB3795 #AB8737 #37AB4D

square

#375BAB #AB3795 #AB8737 #37AB4D

split-complementary

#375BAB #AB4D37 #95AB37

monochromatic

#192A4E #28427D #375BAB #567AC9 #859ED8

Accessibility & contrast

On white

6.47

#375BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#375BAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BAB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BAB	#FFFFFF	#000000	##FFFFFF
##375BAB	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3364AE

Deuteranopia (green-blind)

#1B59A9

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375bab;
/* rgb */ color: rgb(55, 91, 171);
/* oklch */ color: oklch(48.7% 0.135 263.9);

Tailwind

colors: {
  custom: {
    50: '#7b88c4',
    500: '#375bab',
    950: '#000000',
  },
}

SCSS

$custom: #375bab;
$custom-light: #7b88c4;
$custom-dark: #000000;

JSON

{
  "hex": "#375bab",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 221.379,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48732,
    "c": 0.13461,
    "h": 263.9
  },
  "luminance": 0.11235
}

Semantic roles & 50–950 ramp

primary

#375BAB

secondary

#C1AC7C

accent

#AF4DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375BAB

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

Preview Lab → · Contrast checker → · Palette generator →