#375CAB#375CAB

#375CAB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.133 H 263.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#375CAB
RGB	rgb(55, 92, 171)
HSL	hsl(221, 51%, 44%)
HSV	hsv(221, 68%, 67%)
CMYK	cmyk(67.8%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(40.26, 13.48, -46.31)
CIE-LCH	lch(40.26, 48.23, 286.23°)
OKLab	oklab(48.95% -0.0153 -0.1325)
OKLCH	oklch(48.95% 0.133 263.4)
XYZ	xyz(12.7508, 11.4055, 40.0497)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CAB #AB8637

analogous

#3796AB #375CAB #4C37AB

triadic

#375CAB #AB375C #5CAB37

tetradic

#375CAB #AB3796 #AB8637 #37AB4C

square

#375CAB #AB3796 #AB8637 #37AB4C

split-complementary

#375CAB #AB4C37 #96AB37

monochromatic

#192A4E #28437D #375CAB #567BC9 #859FD8

Accessibility & contrast

On white

6.40

#375CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#375CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CAB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CAB	#FFFFFF	#000000	##FFFFFF
##375CAB	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AE

Deuteranopia (green-blind)

#1E5AA9

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375cab;
/* rgb */ color: rgb(55, 92, 171);
/* oklch */ color: oklch(48.9% 0.133 263.4);

Tailwind

colors: {
  custom: {
    50: '#7b89c4',
    500: '#375cab',
    950: '#000000',
  },
}

SCSS

$custom: #375cab;
$custom-light: #7b89c4;
$custom-dark: #000000;

JSON

{
  "hex": "#375cab",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 220.862,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4895,
    "c": 0.13336,
    "h": 263.4
  },
  "luminance": 0.11407
}

Semantic roles & 50–950 ramp

primary

#375CAB

secondary

#C1AB7C

accent

#AE4DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375CAB

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

Preview Lab → · Contrast checker → · Palette generator →