#375CB9#375CB9

#375CB9 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.153 H 265.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#375CB9
RGB	rgb(55, 92, 185)
HSL	hsl(223, 54%, 47%)
HSV	hsv(223, 70%, 73%)
CMYK	cmyk(70.3%, 50.3%, 0%, 27.5%)
CIE-LAB	lab(41.17, 18.64, -53.07)
CIE-LCH	lch(41.17, 56.25, 289.35°)
OKLab	oklab(49.94% -0.0133 -0.1524)
OKLCH	oklch(49.94% 0.153 265)
XYZ	xyz(14.1566, 11.9679, 47.4535)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CB9 #B99437

analogous

#379DB9 #375CB9 #5337B9

triadic

#375CB9 #B9375C #5CB937

tetradic

#375CB9 #B9379D #B99437 #37B953

square

#375CB9 #B9379D #B99437 #37B953

split-complementary

#375CB9 #B95337 #9DB937

monochromatic

#1B2D5B #29458A #375CB9 #5E7ECF #8DA4DD

Accessibility & contrast

On white

6.19

#375CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#375CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CB9

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CB9	#FFFFFF	#000000	##FFFFFF
##375CB9	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2667BC

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375cb9;
/* rgb */ color: rgb(55, 92, 185);
/* oklch */ color: oklch(49.9% 0.153 265.0);

Tailwind

colors: {
  custom: {
    50: '#7e89cf',
    500: '#375cb9',
    950: '#000000',
  },
}

SCSS

$custom: #375cb9;
$custom-light: #7e89cf;
$custom-dark: #000000;

JSON

{
  "hex": "#375cb9",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 185
  },
  "hsl": {
    "h": 222.923,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49937,
    "c": 0.15297,
    "h": 265
  },
  "luminance": 0.11969
}

Semantic roles & 50–950 ramp

primary

#375CB9

secondary

#C8B484

accent

#B44ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375CB9

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

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