#375AA6#375AA6

#375AA6 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.129 H 263.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#375AA6
RGB	rgb(55, 90, 166)
HSL	hsl(221, 50%, 43%)
HSV	hsv(221, 67%, 65%)
CMYK	cmyk(66.9%, 45.8%, 0%, 34.9%)
CIE-LAB	lab(39.37, 12.94, -44.76)
CIE-LCH	lch(39.37, 46.59, 286.12°)
OKLab	oklab(48.17% -0.0142 -0.128)
OKLCH	oklch(48.17% 0.129 263.7)
XYZ	xyz(12.1122, 10.8766, 37.5301)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AA6 #A68337

analogous

#3791A6 #375AA6 #4B37A6

triadic

#375AA6 #A6375A #5AA637

tetradic

#375AA6 #A63791 #A68337 #37A64B

square

#375AA6 #A63791 #A68337 #37A64B

split-complementary

#375AA6 #A64B37 #91A637

monochromatic

#19284A #284178 #375AA6 #5478C6 #829CD6

Accessibility & contrast

On white

6.61

#375AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#375AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AA6

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AA6	#FFFFFF	#000000	##FFFFFF
##375AA6	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3562A9

Deuteranopia (green-blind)

#2158A4

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #375aa6;
/* rgb */ color: rgb(55, 90, 166);
/* oklch */ color: oklch(48.2% 0.129 263.7);

Tailwind

colors: {
  custom: {
    50: '#7a88c1',
    500: '#375aa6',
    950: '#000000',
  },
}

SCSS

$custom: #375aa6;
$custom-light: #7a88c1;
$custom-dark: #000000;

JSON

{
  "hex": "#375aa6",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 166
  },
  "hsl": {
    "h": 221.081,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48171,
    "c": 0.12874,
    "h": 263.7
  },
  "luminance": 0.10878
}

Semantic roles & 50–950 ramp

primary

#375AA6

secondary

#BFA97A

accent

#AE4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375AA6

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

Preview Lab → · Contrast checker → · Palette generator →