#375DBA#375DBA

#375DBA is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.153 H 264.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#375DBA
RGB	rgb(55, 93, 186)
HSL	hsl(223, 54%, 47%)
HSV	hsv(223, 70%, 73%)
CMYK	cmyk(70.4%, 50%, 0%, 27.1%)
CIE-LAB	lab(41.51, 18.36, -53.11)
CIE-LCH	lch(41.51, 56.19, 289.07°)
OKLab	oklab(50.22% -0.0141 -0.1525)
OKLCH	oklch(50.22% 0.153 264.7)
XYZ	xyz(14.3497, 12.1846, 48.0405)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DBA #BA9437

analogous

#379FBA #375DBA #5237BA

triadic

#375DBA #BA375D #5DBA37

tetradic

#375DBA #BA379F #BA9437 #37BA52

square

#375DBA #BA379F #BA9437 #37BA52

split-complementary

#375DBA #BA5237 #9FBA37

monochromatic

#1B2E5C #29458B #375DBA #5F7FD0 #8EA5DE

Accessibility & contrast

On white

6.11

#375DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#375DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DBA

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DBA	#FFFFFF	#000000	##FFFFFF
##375DBA	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2768BD

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375dba;
/* rgb */ color: rgb(55, 93, 186);
/* oklch */ color: oklch(50.2% 0.153 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e8acf',
    500: '#375dba',
    950: '#000000',
  },
}

SCSS

$custom: #375dba;
$custom-light: #7e8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#375dba",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 222.595,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5022,
    "c": 0.15312,
    "h": 264.7
  },
  "luminance": 0.12186
}

Semantic roles & 50–950 ramp

primary

#375DBA

secondary

#C8B585

accent

#B34ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375DBA

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

Preview Lab → · Contrast checker → · Palette generator →