#374AA2#374AA2

#374AA2 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.144 H 270.4°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#374AA2
RGB	rgb(55, 74, 162)
HSL	hsl(229, 49%, 43%)
HSV	hsv(229, 66%, 64%)
CMYK	cmyk(66%, 54.3%, 0%, 36.5%)
CIE-LAB	lab(34.64, 21.99, -49.99)
CIE-LCH	lch(34.64, 54.62, 293.74°)
OKLab	oklab(44.48% 0.0009 -0.1436)
OKLCH	oklch(44.48% 0.144 270.4)
XYZ	xyz(10.5437, 8.3175, 35.2252)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AA2 #A28F37

analogous

#377FA2 #374AA2 #5A37A2

triadic

#374AA2 #A2374A #4AA237

tetradic

#374AA2 #A2377F #A28F37 #37A25A

square

#374AA2 #A2377F #A28F37 #37A25A

split-complementary

#374AA2 #A25A37 #7FA237

monochromatic

#182047 #273574 #374AA2 #5266C4 #808FD4

Accessibility & contrast

On white

7.88

#374AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#374AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AA2

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AA2	#FFFFFF	#000000	##FFFFFF
##374AA2	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D56A5

Deuteranopia (green-blind)

#004DA0

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #374aa2;
/* rgb */ color: rgb(55, 74, 162);
/* oklch */ color: oklch(44.5% 0.144 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a7cbe',
    500: '#374aa2',
    950: '#000000',
  },
}

SCSS

$custom: #374aa2;
$custom-light: #7a7cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#374aa2",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 162
  },
  "hsl": {
    "h": 229.346,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44482,
    "c": 0.1436,
    "h": 270.4
  },
  "luminance": 0.08318
}

Semantic roles & 50–950 ramp

primary

#374AA2

secondary

#BDB178

accent

#C04FD9

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374AA2

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

Preview Lab → · Contrast checker → · Palette generator →