#376FC9#376FC9

#376FC9 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.1% C 0.152 H 259.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#376FC9
RGB	rgb(55, 111, 201)
HSL	hsl(217, 57%, 50%)
HSV	hsv(217, 73%, 79%)
CMYK	cmyk(72.6%, 44.8%, 0%, 21.2%)
CIE-LAB	lab(47.49, 12.39, -52.17)
CIE-LCH	lch(47.49, 53.62, 283.36°)
OKLab	oklab(55.11% -0.0276 -0.1494)
OKLCH	oklch(55.11% 0.152 259.5)
XYZ	xyz(17.7988, 16.3962, 57.4738)
Luminance	0.1640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376FC9 #C99137

analogous

#37B8C9 #376FC9 #4837C9

triadic

#376FC9 #C9376F #6FC937

tetradic

#376FC9 #C937B8 #C99137 #37C948

square

#376FC9 #C937B8 #C99137 #37C948

split-complementary

#376FC9 #C94837 #B8C937

monochromatic

#1C3A69 #295499 #376FC9 #6792D6 #97B4E3

Accessibility & contrast

On white

4.91

#376FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#376FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376FC9

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376FC9	#FFFFFF	#000000	##FFFFFF
##376FC9	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4178CC

Deuteranopia (green-blind)

#246AC7

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #376fc9;
/* rgb */ color: rgb(55, 111, 201);
/* oklch */ color: oklch(55.1% 0.152 259.5);

Tailwind

colors: {
  custom: {
    50: '#8097da',
    500: '#376fc9',
    950: '#000000',
  },
}

SCSS

$custom: #376fc9;
$custom-light: #8097da;
$custom-dark: #000000;

JSON

{
  "hex": "#376fc9",
  "rgb": {
    "r": 55,
    "g": 111,
    "b": 201
  },
  "hsl": {
    "h": 216.986,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55114,
    "c": 0.15194,
    "h": 259.5
  },
  "luminance": 0.16398
}

Semantic roles & 50–950 ramp

primary

#376FC9

secondary

#CFB58D

accent

#A647E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #376FC9

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

Preview Lab → · Contrast checker → · Palette generator →