#375AAF#375AAF

#375AAF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.141 H 264.8°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#375AAF
RGB	rgb(55, 90, 175)
HSL	hsl(223, 52%, 45%)
HSV	hsv(223, 69%, 69%)
CMYK	cmyk(68.6%, 48.6%, 0%, 31.4%)
CIE-LAB	lab(39.95, 16.25, -49.17)
CIE-LCH	lch(39.95, 51.78, 288.29°)
OKLab	oklab(48.8% -0.0128 -0.1409)
OKLCH	oklch(48.8% 0.142 264.8)
XYZ	xyz(12.9669, 11.2184, 42.0311)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AAF #AF8C37

analogous

#3796AF #375AAF #5037AF

triadic

#375AAF #AF375A #5AAF37

tetradic

#375AAF #AF3796 #AF8C37 #37AF50

square

#375AAF #AF3796 #AF8C37 #37AF50

split-complementary

#375AAF #AF5037 #96AF37

monochromatic

#1A2A52 #284280 #375AAF #597ACB #879FD9

Accessibility & contrast

On white

6.47

#375AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#375AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AAF

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AAF	#FFFFFF	#000000	##FFFFFF
##375AAF	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C64B2

Deuteranopia (green-blind)

#0E59AD

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375aaf;
/* rgb */ color: rgb(55, 90, 175);
/* oklch */ color: oklch(48.8% 0.141 264.8);

Tailwind

colors: {
  custom: {
    50: '#7c88c7',
    500: '#375aaf',
    950: '#000000',
  },
}

SCSS

$custom: #375aaf;
$custom-light: #7c88c7;
$custom-dark: #000000;

JSON

{
  "hex": "#375aaf",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 175
  },
  "hsl": {
    "h": 222.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48796,
    "c": 0.1415,
    "h": 264.8
  },
  "luminance": 0.1122
}

Semantic roles & 50–950 ramp

primary

#375AAF

secondary

#C3AF7F

accent

#B24CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375AAF

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

Preview Lab → · Contrast checker → · Palette generator →