#375BA5#375BA5

#375BA5 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.126 H 263.0°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#375BA5
RGB	rgb(55, 91, 165)
HSL	hsl(220, 50%, 43%)
HSV	hsv(220, 67%, 65%)
CMYK	cmyk(66.7%, 44.8%, 0%, 35.3%)
CIE-LAB	lab(39.60, 11.93, -43.81)
CIE-LCH	lch(39.60, 45.40, 285.23°)
OKLab	oklab(48.32% -0.0154 -0.1251)
OKLCH	oklch(48.32% 0.126 263)
XYZ	xyz(12.1058, 11.0098, 37.0772)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BA5 #A58137

analogous

#3792A5 #375BA5 #4A37A5

triadic

#375BA5 #A5375B #5BA537

tetradic

#375BA5 #A53792 #A58137 #37A54A

square

#375BA5 #A53792 #A58137 #37A54A

split-complementary

#375BA5 #A54A37 #92A537

monochromatic

#182849 #284277 #375BA5 #5379C6 #819DD5

Accessibility & contrast

On white

6.56

#375BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#375BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BA5

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BA5	#FFFFFF	#000000	##FFFFFF
##375BA5	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3763A8

Deuteranopia (green-blind)

#2559A3

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #375ba5;
/* rgb */ color: rgb(55, 91, 165);
/* oklch */ color: oklch(48.3% 0.126 263.0);

Tailwind

colors: {
  custom: {
    50: '#7a88c0',
    500: '#375ba5',
    950: '#000000',
  },
}

SCSS

$custom: #375ba5;
$custom-light: #7a88c0;
$custom-dark: #000000;

JSON

{
  "hex": "#375ba5",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 165
  },
  "hsl": {
    "h": 220.364,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48324,
    "c": 0.12608,
    "h": 263
  },
  "luminance": 0.11011
}

Semantic roles & 50–950 ramp

primary

#375BA5

secondary

#BFA879

accent

#AC4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375BA5

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

Preview Lab → · Contrast checker → · Palette generator →