#375BB2#375BB2

#375BB2 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.144 H 264.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#375BB2
RGB	rgb(55, 91, 178)
HSL	hsl(222, 53%, 46%)
HSV	hsv(222, 69%, 70%)
CMYK	cmyk(69.1%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(40.42, 16.71, -50.17)
CIE-LCH	lch(40.42, 52.87, 288.42°)
OKLab	oklab(49.22% -0.0133 -0.1438)
OKLCH	oklch(49.22% 0.144 264.7)
XYZ	xyz(13.3497, 11.5074, 43.6285)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BB2 #B28E37

analogous

#3798B2 #375BB2 #5037B2

triadic

#375BB2 #B2375B #5BB237

tetradic

#375BB2 #B23798 #B28E37 #37B250

square

#375BB2 #B23798 #B28E37 #37B250

split-complementary

#375BB2 #B25037 #98B237

monochromatic

#1A2B54 #294383 #375BB2 #5A7BCC #89A1DB

Accessibility & contrast

On white

6.36

#375BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#375BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BB2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BB2	#FFFFFF	#000000	##FFFFFF
##375BB2	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C65B5

Deuteranopia (green-blind)

#085AB0

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375bb2;
/* rgb */ color: rgb(55, 91, 178);
/* oklch */ color: oklch(49.2% 0.144 264.7);

Tailwind

colors: {
  custom: {
    50: '#7c88ca',
    500: '#375bb2',
    950: '#000000',
  },
}

SCSS

$custom: #375bb2;
$custom-light: #7c88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#375bb2",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 222.439,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49222,
    "c": 0.14446,
    "h": 264.7
  },
  "luminance": 0.11509
}

Semantic roles & 50–950 ramp

primary

#375BB2

secondary

#C5B180

accent

#B24CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375BB2

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

Preview Lab → · Contrast checker → · Palette generator →