#375BD5#375BD5

#375BD5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.192 H 266.9°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#375BD5
RGB	rgb(55, 91, 213)
HSL	hsl(226, 65%, 53%)
HSV	hsv(226, 74%, 84%)
CMYK	cmyk(74.2%, 57.3%, 0%, 16.5%)
CIE-LAB	lab(42.91, 29.57, -66.45)
CIE-LCH	lch(42.91, 72.73, 293.99°)
OKLab	oklab(51.89% -0.0104 -0.1917)
OKLCH	oklch(51.89% 0.192 266.9)
XYZ	xyz(17.3227, 13.0966, 64.5528)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BD5 #D5B137

analogous

#37AAD5 #375BD5 #6237D5

triadic

#375BD5 #D5375B #5BD537

tetradic

#375BD5 #D537AA #D5B137 #37D562

square

#375BD5 #D537AA #D5B137 #37D562

split-complementary

#375BD5 #D56237 #AAD537

monochromatic

#192F78 #2443AB #375BD5 #6A84E0 #9CAEEA

Accessibility & contrast

On white

5.80

#375BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#375BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BD5

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BD5	#FFFFFF	#000000	##FFFFFF
##375BD5	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD9

Deuteranopia (green-blind)

#005ED3

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375bd5;
/* rgb */ color: rgb(55, 91, 213);
/* oklch */ color: oklch(51.9% 0.192 266.9);

Tailwind

colors: {
  custom: {
    50: '#8489e3',
    500: '#375bd5',
    950: '#000000',
  },
}

SCSS

$custom: #375bd5;
$custom-light: #8489e3;
$custom-dark: #000000;

JSON

{
  "hex": "#375bd5",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 213
  },
  "hsl": {
    "h": 226.329,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51889,
    "c": 0.19202,
    "h": 266.9
  },
  "luminance": 0.13098
}

Semantic roles & 50–950 ramp

primary

#375BD5

secondary

#D6C792

accent

#C240E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #375BD5

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

Preview Lab → · Contrast checker → · Palette generator →