#375AB2#375AB2

#375AB2 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.146 H 265.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#375AB2
RGB	rgb(55, 90, 178)
HSL	hsl(223, 53%, 46%)
HSV	hsv(223, 69%, 70%)
CMYK	cmyk(69.1%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(40.14, 17.36, -50.62)
CIE-LCH	lch(40.14, 53.51, 288.93°)
OKLab	oklab(49.01% -0.0124 -0.1452)
OKLCH	oklch(49.01% 0.146 265.1)
XYZ	xyz(13.2648, 11.3376, 43.6002)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AB2 #B28F37

analogous

#3797B2 #375AB2 #5137B2

triadic

#375AB2 #B2375A #5AB237

tetradic

#375AB2 #B23797 #B28F37 #37B251

square

#375AB2 #B23797 #B28F37 #37B251

split-complementary

#375AB2 #B25137 #97B237

monochromatic

#1A2B54 #294283 #375AB2 #5A7BCC #89A0DB

Accessibility & contrast

On white

6.43

#375AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#375AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AB2

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AB2	#FFFFFF	#000000	##FFFFFF
##375AB2	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2965B5

Deuteranopia (green-blind)

#0259B0

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375ab2;
/* rgb */ color: rgb(55, 90, 178);
/* oklch */ color: oklch(49.0% 0.146 265.1);

Tailwind

colors: {
  custom: {
    50: '#7c88ca',
    500: '#375ab2',
    950: '#000000',
  },
}

SCSS

$custom: #375ab2;
$custom-light: #7c88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#375ab2",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 222.927,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49009,
    "c": 0.14572,
    "h": 265.1
  },
  "luminance": 0.11339
}

Semantic roles & 50–950 ramp

primary

#375AB2

secondary

#C5B180

accent

#B34CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375AB2

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

Preview Lab → · Contrast checker → · Palette generator →