#375DAB#375DAB

#375DAB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.2% C 0.132 H 262.9°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#375DAB
RGB	rgb(55, 93, 171)
HSL	hsl(220, 51%, 44%)
HSV	hsv(220, 68%, 67%)
CMYK	cmyk(67.8%, 45.6%, 0%, 32.9%)
CIE-LAB	lab(40.54, 12.83, -45.85)
CIE-LCH	lch(40.54, 47.61, 285.63°)
OKLab	oklab(49.17% -0.0163 -0.1311)
OKLCH	oklch(49.17% 0.132 262.9)
XYZ	xyz(12.8380, 11.5799, 40.0788)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DAB #AB8537

analogous

#3797AB #375DAB #4B37AB

triadic

#375DAB #AB375D #5DAB37

tetradic

#375DAB #AB3797 #AB8537 #37AB4B

square

#375DAB #AB3797 #AB8537 #37AB4B

split-complementary

#375DAB #AB4B37 #97AB37

monochromatic

#192B4E #28447D #375DAB #567CC9 #85A0D8

Accessibility & contrast

On white

6.33

#375DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#375DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DAB

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DAB	#FFFFFF	#000000	##FFFFFF
##375DAB	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AE

Deuteranopia (green-blind)

#215BA9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375dab;
/* rgb */ color: rgb(55, 93, 171);
/* oklch */ color: oklch(49.2% 0.132 262.9);

Tailwind

colors: {
  custom: {
    50: '#7b8ac4',
    500: '#375dab',
    950: '#000000',
  },
}

SCSS

$custom: #375dab;
$custom-light: #7b8ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#375dab",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 171
  },
  "hsl": {
    "h": 220.345,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49169,
    "c": 0.13213,
    "h": 262.9
  },
  "luminance": 0.11581
}

Semantic roles & 50–950 ramp

primary

#375DAB

secondary

#C1AB7C

accent

#AC4DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375DAB

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

Preview Lab → · Contrast checker → · Palette generator →