#375AAB#375AAB

#375AAB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.136 H 264.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#375AAB
RGB	rgb(55, 90, 171)
HSL	hsl(222, 51%, 44%)
HSV	hsv(222, 68%, 67%)
CMYK	cmyk(67.8%, 47.4%, 0%, 32.9%)
CIE-LAB	lab(39.69, 14.78, -47.22)
CIE-LCH	lch(39.69, 49.48, 287.38°)
OKLab	oklab(48.52% -0.0134 -0.1352)
OKLCH	oklch(48.52% 0.136 264.4)
XYZ	xyz(12.5798, 11.0636, 39.9927)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AAB #AB8837

analogous

#3794AB #375AAB #4E37AB

triadic

#375AAB #AB375A #5AAB37

tetradic

#375AAB #AB3794 #AB8837 #37AB4E

square

#375AAB #AB3794 #AB8837 #37AB4E

split-complementary

#375AAB #AB4E37 #94AB37

monochromatic

#19294E #28427D #375AAB #5679C9 #859ED8

Accessibility & contrast

On white

6.54

#375AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#375AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AAB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AAB	#FFFFFF	#000000	##FFFFFF
##375AAB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3063AE

Deuteranopia (green-blind)

#1859A9

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #375aab;
/* rgb */ color: rgb(55, 90, 171);
/* oklch */ color: oklch(48.5% 0.136 264.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#375aab",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 171
  },
  "hsl": {
    "h": 221.897,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48515,
    "c": 0.13585,
    "h": 264.4
  },
  "luminance": 0.11065
}

Semantic roles & 50–950 ramp

primary

#375AAB

secondary

#C1AD7C

accent

#B04DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375AAB

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

Preview Lab → · Contrast checker → · Palette generator →