#375BBF#375BBF

#375BBF is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.162 H 265.8°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#375BBF
RGB	rgb(55, 91, 191)
HSL	hsl(224, 55%, 48%)
HSV	hsv(224, 71%, 75%)
CMYK	cmyk(71.2%, 52.4%, 0%, 25.1%)
CIE-LAB	lab(41.30, 21.50, -56.35)
CIE-LCH	lch(41.30, 60.31, 290.88°)
OKLab	oklab(50.17% -0.0118 -0.162)
OKLCH	oklch(50.17% 0.162 265.8)
XYZ	xyz(14.7173, 12.0545, 50.8312)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BBF #BF9B37

analogous

#379FBF #375BBF #5737BF

triadic

#375BBF #BF375B #5BBF37

tetradic

#375BBF #BF379F #BF9B37 #37BF57

square

#375BBF #BF379F #BF9B37 #37BF57

split-complementary

#375BBF #BF5737 #9FBF37

monochromatic

#1C2E60 #29448F #375BBF #627FD2 #91A6DF

Accessibility & contrast

On white

6.16

#375BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#375BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BBF

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BBF	#FFFFFF	#000000	##FFFFFF
##375BBF	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1868C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375bbf;
/* rgb */ color: rgb(55, 91, 191);
/* oklch */ color: oklch(50.2% 0.162 265.8);

Tailwind

colors: {
  custom: {
    50: '#7f88d3',
    500: '#375bbf',
    950: '#000000',
  },
}

SCSS

$custom: #375bbf;
$custom-light: #7f88d3;
$custom-dark: #000000;

JSON

{
  "hex": "#375bbf",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 191
  },
  "hsl": {
    "h": 224.118,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50173,
    "c": 0.16248,
    "h": 265.8
  },
  "luminance": 0.12056
}

Semantic roles & 50–950 ramp

primary

#375BBF

secondary

#CAB988

accent

#B749DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #375BBF

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

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