#374AA9#374AA9

#374AA9 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.153 H 270.5°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#374AA9
RGB	rgb(55, 74, 169)
HSL	hsl(230, 51%, 44%)
HSV	hsv(230, 67%, 66%)
CMYK	cmyk(67.5%, 56.2%, 0%, 33.7%)
CIE-LAB	lab(35.15, 24.54, -53.35)
CIE-LCH	lch(35.15, 58.72, 294.70°)
OKLab	oklab(45.03% 0.0013 -0.1535)
OKLCH	oklch(45.03% 0.153 270.5)
XYZ	xyz(11.1833, 8.5733, 38.5939)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AA9 #A99637

analogous

#3783A9 #374AA9 #5D37A9

triadic

#374AA9 #A9374A #4AA937

tetradic

#374AA9 #A93783 #A99637 #37A95D

square

#374AA9 #A93783 #A99637 #37A95D

split-complementary

#374AA9 #A95D37 #83A937

monochromatic

#19224D #28367B #374AA9 #5568C8 #8491D7

Accessibility & contrast

On white

7.74

#374AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#374AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AA9

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AA9	#FFFFFF	#000000	##FFFFFF
##374AA9	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AC

Deuteranopia (green-blind)

#004EA7

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374aa9;
/* rgb */ color: rgb(55, 74, 169);
/* oklch */ color: oklch(45.0% 0.153 270.5);

Tailwind

colors: {
  custom: {
    50: '#7b7cc3',
    500: '#374aa9',
    950: '#000000',
  },
}

SCSS

$custom: #374aa9;
$custom-light: #7b7cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#374aa9",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 169
  },
  "hsl": {
    "h": 230,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45031,
    "c": 0.15349,
    "h": 270.5
  },
  "luminance": 0.08574
}

Semantic roles & 50–950 ramp

primary

#374AA9

secondary

#C0B57B

accent

#C34DDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #374AA9

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

Preview Lab → · Contrast checker → · Palette generator →