#375BD2#375BD2

#375BD2 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.188 H 266.8°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#375BD2
RGB	rgb(55, 91, 210)
HSL	hsl(226, 63%, 52%)
HSV	hsv(226, 74%, 82%)
CMYK	cmyk(73.8%, 56.7%, 0%, 17.6%)
CIE-LAB	lab(42.68, 28.47, -65.10)
CIE-LCH	lch(42.68, 71.05, 293.62°)
OKLab	oklab(51.65% -0.0105 -0.1878)
OKLCH	oklch(51.65% 0.188 266.8)
XYZ	xyz(16.9454, 12.9457, 62.5660)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BD2 #D2AE37

analogous

#37A8D2 #375BD2 #6137D2

triadic

#375BD2 #D2375B #5BD237

tetradic

#375BD2 #D237A8 #D2AE37 #37D261

square

#375BD2 #D237A8 #D2AE37 #37D261

split-complementary

#375BD2 #D26137 #A8D237

monochromatic

#1A2F74 #2543A6 #375BD2 #6984DD #9BADE8

Accessibility & contrast

On white

5.85

#375BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#375BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BD2

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BD2	#FFFFFF	#000000	##FFFFFF
##375BD2	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD6

Deuteranopia (green-blind)

#005ED0

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375bd2;
/* rgb */ color: rgb(55, 91, 210);
/* oklch */ color: oklch(51.6% 0.188 266.8);

Tailwind

colors: {
  custom: {
    50: '#8389e1',
    500: '#375bd2',
    950: '#000000',
  },
}

SCSS

$custom: #375bd2;
$custom-light: #8389e1;
$custom-dark: #000000;

JSON

{
  "hex": "#375bd2",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 210
  },
  "hsl": {
    "h": 226.065,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51648,
    "c": 0.18807,
    "h": 266.8
  },
  "luminance": 0.12948
}

Semantic roles & 50–950 ramp

primary

#375BD2

secondary

#D4C590

accent

#C041E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375BD2

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

Preview Lab → · Contrast checker → · Palette generator →