#375AA9#375AA9

#375AA9 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.133 H 264.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#375AA9
RGB	rgb(55, 90, 169)
HSL	hsl(222, 51%, 44%)
HSV	hsv(222, 67%, 66%)
CMYK	cmyk(67.5%, 46.7%, 0%, 33.7%)
CIE-LAB	lab(39.56, 14.04, -46.24)
CIE-LCH	lch(39.56, 48.32, 286.89°)
OKLab	oklab(48.38% -0.0137 -0.1323)
OKLCH	oklch(48.38% 0.133 264.1)
XYZ	xyz(12.3906, 10.9879, 38.9963)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AA9 #A98637

analogous

#3793A9 #375AA9 #4D37A9

triadic

#375AA9 #A9375A #5AA937

tetradic

#375AA9 #A93793 #A98637 #37A94D

square

#375AA9 #A93793 #A98637 #37A94D

split-complementary

#375AA9 #A94D37 #93A937

monochromatic

#19294D #28417B #375AA9 #5579C8 #849DD7

Accessibility & contrast

On white

6.57

#375AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#375AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AA9

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AA9	#FFFFFF	#000000	##FFFFFF
##375AA9	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AC

Deuteranopia (green-blind)

#1C58A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #375aa9;
/* rgb */ color: rgb(55, 90, 169);
/* oklch */ color: oklch(48.4% 0.133 264.1);

Tailwind

colors: {
  custom: {
    50: '#7a88c3',
    500: '#375aa9',
    950: '#000000',
  },
}

SCSS

$custom: #375aa9;
$custom-light: #7a88c3;
$custom-dark: #000000;

JSON

{
  "hex": "#375aa9",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 169
  },
  "hsl": {
    "h": 221.579,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48376,
    "c": 0.13302,
    "h": 264.1
  },
  "luminance": 0.10989
}

Semantic roles & 50–950 ramp

primary

#375AA9

secondary

#C0AB7B

accent

#AF4DDA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375AA9

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

Preview Lab → · Contrast checker → · Palette generator →