#374A7A#374A7A

#374A7A is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.7% C 0.084 H 266.5°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#374A7A
RGB	rgb(55, 74, 122)
HSL	hsl(223, 38%, 35%)
HSV	hsv(223, 55%, 48%)
CMYK	cmyk(54.9%, 39.3%, 0%, 52.2%)
CIE-LAB	lab(32.07, 7.62, -29.64)
CIE-LCH	lch(32.07, 30.60, 284.42°)
OKLab	oklab(41.7% -0.0052 -0.0838)
OKLCH	oklch(41.7% 0.084 266.5)
XYZ	xyz(7.5360, 7.1144, 19.3847)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374A7A #7A6737

analogous

#376C7A #374A7A #46377A

triadic

#374A7A #7A374A #4A7A37

tetradic

#374A7A #7A376C #7A6737 #377A46

square

#374A7A #7A376C #7A6737 #377A46

split-complementary

#374A7A #7A4637 #6C7A37

monochromatic

#111726 #243050 #374A7A #4A64A4 #6E84BE

Accessibility & contrast

On white

8.67

#374A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#374A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374A7A

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374A7A	#FFFFFF	#000000	##FFFFFF
##374A7A	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374F7C

Deuteranopia (green-blind)

#2F4979

Tritanopia (blue-blind)

#16545C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #374a7a;
/* rgb */ color: rgb(55, 74, 122);
/* oklch */ color: oklch(41.7% 0.084 266.5);

Tailwind

colors: {
  custom: {
    50: '#737ca1',
    500: '#374a7a',
    950: '#000000',
  },
}

SCSS

$custom: #374a7a;
$custom-light: #737ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#374a7a",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 122
  },
  "hsl": {
    "h": 222.985,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41696,
    "c": 0.08399,
    "h": 266.5
  },
  "luminance": 0.07115
}

Semantic roles & 50–950 ramp

primary

#374A7A

secondary

#A69466

accent

#AD5ACE

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #374A7A

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

Preview Lab → · Contrast checker → · Palette generator →