#375FB2#375FB2

#375FB2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.140 H 263.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#375FB2
RGB	rgb(55, 95, 178)
HSL	hsl(220, 53%, 46%)
HSV	hsv(220, 69%, 70%)
CMYK	cmyk(69.1%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(41.55, 14.11, -48.36)
CIE-LCH	lch(41.55, 50.38, 286.27°)
OKLab	oklab(50.08% -0.017 -0.1385)
OKLCH	oklch(50.08% 0.14 263)
XYZ	xyz(13.7008, 12.2096, 43.7455)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FB2 #B28A37

analogous

#379CB2 #375FB2 #4C37B2

triadic

#375FB2 #B2375F #5FB237

tetradic

#375FB2 #B2379C #B28A37 #37B24C

square

#375FB2 #B2379C #B28A37 #37B24C

split-complementary

#375FB2 #B24C37 #9CB237

monochromatic

#1A2D54 #294683 #375FB2 #5A7FCC #89A3DB

Accessibility & contrast

On white

6.10

#375FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#375FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FB2

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FB2	#FFFFFF	#000000	##FFFFFF
##375FB2	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3568B5

Deuteranopia (green-blind)

#1B5DB0

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375fb2;
/* rgb */ color: rgb(55, 95, 178);
/* oklch */ color: oklch(50.1% 0.140 263.0);

Tailwind

colors: {
  custom: {
    50: '#7c8bc9',
    500: '#375fb2',
    950: '#000000',
  },
}

SCSS

$custom: #375fb2;
$custom-light: #7c8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#375fb2",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 220.488,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50083,
    "c": 0.13951,
    "h": 263
  },
  "luminance": 0.12211
}

Semantic roles & 50–950 ramp

primary

#375FB2

secondary

#C5AE80

accent

#AD4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #375FB2

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

Preview Lab → · Contrast checker → · Palette generator →