#375FBF#375FBF

#375FBF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.158 H 264.5°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#375FBF
RGB	rgb(55, 95, 191)
HSL	hsl(222, 55%, 48%)
HSV	hsv(222, 71%, 75%)
CMYK	cmyk(71.2%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(42.39, 18.91, -54.59)
CIE-LCH	lch(42.39, 57.77, 289.11°)
OKLab	oklab(51% -0.0152 -0.1568)
OKLCH	oklch(51% 0.158 264.5)
XYZ	xyz(15.0684, 12.7567, 50.9483)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FBF #BF9737

analogous

#37A3BF #375FBF #5337BF

triadic

#375FBF #BF375F #5FBF37

tetradic

#375FBF #BF37A3 #BF9737 #37BF53

square

#375FBF #BF37A3 #BF9737 #37BF53

split-complementary

#375FBF #BF5337 #A3BF37

monochromatic

#1C3060 #29478F #375FBF #6283D2 #91A8DF

Accessibility & contrast

On white

5.91

#375FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#375FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FBF

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FBF	#FFFFFF	#000000	##FFFFFF
##375FBF	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266BC2

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#007686

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375fbf;
/* rgb */ color: rgb(55, 95, 191);
/* oklch */ color: oklch(51.0% 0.158 264.5);

Tailwind

colors: {
  custom: {
    50: '#7f8bd3',
    500: '#375fbf',
    950: '#000000',
  },
}

SCSS

$custom: #375fbf;
$custom-light: #7f8bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#375fbf",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 222.353,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51002,
    "c": 0.15754,
    "h": 264.5
  },
  "luminance": 0.12758
}

Semantic roles & 50–950 ramp

primary

#375FBF

secondary

#CAB788

accent

#B349DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #375FBF

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

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