#374599#374599

#374599 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.8% C 0.137 H 272.2°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#374599
RGB	rgb(55, 69, 153)
HSL	hsl(231, 47%, 41%)
HSV	hsv(231, 64%, 60%)
CMYK	cmyk(64.1%, 54.9%, 0%, 40%)
CIE-LAB	lab(32.63, 22.04, -47.81)
CIE-LCH	lch(32.63, 52.64, 294.75°)
OKLab	oklab(42.77% 0.0052 -0.1372)
OKLCH	oklch(42.77% 0.137 272.2)
XYZ	xyz(9.4515, 7.3676, 31.0548)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374599 #998B37

analogous

#377699 #374599 #5A3799

triadic

#374599 #993745 #459937

tetradic

#374599 #993776 #998B37 #37995A

square

#374599 #993776 #998B37 #37995A

split-complementary

#374599 #995A37 #769937

monochromatic

#171C3F #27316C #374599 #4E5EBF #7B87D0

Accessibility & contrast

On white

8.49

#374599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#374599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374599

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374599	#FFFFFF	#000000	##FFFFFF
##374599	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B519C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #374599;
/* rgb */ color: rgb(55, 69, 153);
/* oklch */ color: oklch(42.8% 0.137 272.2);

Tailwind

colors: {
  custom: {
    50: '#7878b8',
    500: '#374599',
    950: '#000000',
  },
}

SCSS

$custom: #374599;
$custom-light: #7878b8;
$custom-dark: #000000;

JSON

{
  "hex": "#374599",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 153
  },
  "hsl": {
    "h": 231.429,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42767,
    "c": 0.13732,
    "h": 272.2
  },
  "luminance": 0.07368
}

Semantic roles & 50–950 ramp

primary

#374599

secondary

#B9AF73

accent

#C451D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #374599

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

Preview Lab → · Contrast checker → · Palette generator →