#374BA2#374BA2

#374BA2 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.7% C 0.142 H 270.0°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#374BA2
RGB	rgb(55, 75, 162)
HSL	hsl(229, 49%, 43%)
HSV	hsv(229, 66%, 64%)
CMYK	cmyk(66%, 53.7%, 0%, 36.5%)
CIE-LAB	lab(34.91, 21.33, -49.55)
CIE-LCH	lch(34.91, 53.95, 293.29°)
OKLab	oklab(44.69% 0 -0.1423)
OKLCH	oklch(44.69% 0.142 270)
XYZ	xyz(10.6110, 8.4521, 35.2476)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BA2 #A28E37

analogous

#3781A2 #374BA2 #5837A2

triadic

#374BA2 #A2374B #4BA237

tetradic

#374BA2 #A23781 #A28E37 #37A258

square

#374BA2 #A23781 #A28E37 #37A258

split-complementary

#374BA2 #A25837 #81A237

monochromatic

#182147 #273674 #374BA2 #5267C4 #808FD4

Accessibility & contrast

On white

7.80

#374BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#374BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BA2

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BA2	#FFFFFF	#000000	##FFFFFF
##374BA2	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1257A5

Deuteranopia (green-blind)

#004DA0

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #374ba2;
/* rgb */ color: rgb(55, 75, 162);
/* oklch */ color: oklch(44.7% 0.142 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a7dbe',
    500: '#374ba2',
    950: '#000000',
  },
}

SCSS

$custom: #374ba2;
$custom-light: #7a7dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#374ba2",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 162
  },
  "hsl": {
    "h": 228.785,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44687,
    "c": 0.14229,
    "h": 270
  },
  "luminance": 0.08453
}

Semantic roles & 50–950 ramp

primary

#374BA2

secondary

#BDB078

accent

#BF4FD9

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374BA2

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

Preview Lab → · Contrast checker → · Palette generator →