#375FB0#375FB0

#375FB0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.137 H 262.7°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#375FB0
RGB	rgb(55, 95, 176)
HSL	hsl(220, 52%, 45%)
HSV	hsv(220, 69%, 69%)
CMYK	cmyk(68.8%, 46%, 0%, 31%)
CIE-LAB	lab(41.42, 13.38, -47.38)
CIE-LCH	lch(41.42, 49.24, 285.77°)
OKLab	oklab(49.95% -0.0174 -0.1356)
OKLCH	oklch(49.95% 0.137 262.7)
XYZ	xyz(13.5015, 12.1299, 42.6956)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FB0 #B08837

analogous

#379CB0 #375FB0 #4B37B0

triadic

#375FB0 #B0375F #5FB037

tetradic

#375FB0 #B0379C #B08837 #37B04B

square

#375FB0 #B0379C #B08837 #37B04B

split-complementary

#375FB0 #B04B37 #9CB037

monochromatic

#1A2D53 #284681 #375FB0 #597FCB #88A3DA

Accessibility & contrast

On white

6.13

#375FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#375FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FB0

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FB0	#FFFFFF	#000000	##FFFFFF
##375FB0	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3668B3

Deuteranopia (green-blind)

#1F5DAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375fb0;
/* rgb */ color: rgb(55, 95, 176);
/* oklch */ color: oklch(49.9% 0.137 262.7);

Tailwind

colors: {
  custom: {
    50: '#7c8bc8',
    500: '#375fb0',
    950: '#000000',
  },
}

SCSS

$custom: #375fb0;
$custom-light: #7c8bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#375fb0",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 220.165,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49947,
    "c": 0.13671,
    "h": 262.7
  },
  "luminance": 0.12131
}

Semantic roles & 50–950 ramp

primary

#375FB0

secondary

#C4AD7F

accent

#AC4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #375FB0

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

Preview Lab → · Contrast checker → · Palette generator →