#375BA6#375BA6

#375BA6 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.128 H 263.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#375BA6
RGB	rgb(55, 91, 166)
HSL	hsl(221, 50%, 43%)
HSV	hsv(221, 67%, 65%)
CMYK	cmyk(66.9%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(39.66, 12.29, -44.30)
CIE-LCH	lch(39.66, 45.97, 285.51°)
OKLab	oklab(48.39% -0.0152 -0.1266)
OKLCH	oklch(48.39% 0.128 263.2)
XYZ	xyz(12.1972, 11.0464, 37.5584)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BA6 #A68237

analogous

#3792A6 #375BA6 #4B37A6

triadic

#375BA6 #A6375B #5BA637

tetradic

#375BA6 #A63792 #A68237 #37A64B

square

#375BA6 #A63792 #A68237 #37A64B

split-complementary

#375BA6 #A64B37 #92A637

monochromatic

#19294A #284278 #375BA6 #5479C6 #829DD6

Accessibility & contrast

On white

6.54

#375BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#375BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BA6

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BA6	#FFFFFF	#000000	##FFFFFF
##375BA6	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3763A9

Deuteranopia (green-blind)

#2359A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #375ba6;
/* rgb */ color: rgb(55, 91, 166);
/* oklch */ color: oklch(48.4% 0.128 263.2);

Tailwind

colors: {
  custom: {
    50: '#7a88c1',
    500: '#375ba6',
    950: '#000000',
  },
}

SCSS

$custom: #375ba6;
$custom-light: #7a88c1;
$custom-dark: #000000;

JSON

{
  "hex": "#375ba6",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 220.541,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48391,
    "c": 0.12751,
    "h": 263.2
  },
  "luminance": 0.11048
}

Semantic roles & 50–950 ramp

primary

#375BA6

secondary

#BFA97A

accent

#AC4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375BA6

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

Preview Lab → · Contrast checker → · Palette generator →