#375AA7#375AA7

#375AA7 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.130 H 263.8°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#375AA7
RGB	rgb(55, 90, 167)
HSL	hsl(221, 50%, 44%)
HSV	hsv(221, 67%, 65%)
CMYK	cmyk(67.1%, 46.1%, 0%, 34.5%)
CIE-LAB	lab(39.43, 13.31, -45.25)
CIE-LCH	lch(39.43, 47.17, 286.39°)
OKLab	oklab(48.24% -0.014 -0.1294)
OKLCH	oklch(48.24% 0.13 263.8)
XYZ	xyz(12.2043, 10.9134, 38.0151)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AA7 #A78437

analogous

#3792A7 #375AA7 #4C37A7

triadic

#375AA7 #A7375A #5AA737

tetradic

#375AA7 #A73792 #A78437 #37A74C

square

#375AA7 #A73792 #A78437 #37A74C

split-complementary

#375AA7 #A74C37 #92A737

monochromatic

#19284B #284179 #375AA7 #5478C7 #829DD6

Accessibility & contrast

On white

6.60

#375AA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#375AA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AA7

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AA7	#FFFFFF	#000000	##FFFFFF
##375AA7	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462AA

Deuteranopia (green-blind)

#1F58A5

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #375aa7;
/* rgb */ color: rgb(55, 90, 167);
/* oklch */ color: oklch(48.2% 0.130 263.8);

Tailwind

colors: {
  custom: {
    50: '#7a88c2',
    500: '#375aa7',
    950: '#000000',
  },
}

SCSS

$custom: #375aa7;
$custom-light: #7a88c2;
$custom-dark: #000000;

JSON

{
  "hex": "#375aa7",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 167
  },
  "hsl": {
    "h": 221.25,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48239,
    "c": 0.13018,
    "h": 263.8
  },
  "luminance": 0.10915
}

Semantic roles & 50–950 ramp

primary

#375AA7

secondary

#C0AA7A

accent

#AE4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375AA7

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

Preview Lab → · Contrast checker → · Palette generator →