#374AA8#374AA8

#374AA8 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.152 H 270.5°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#374AA8
RGB	rgb(55, 74, 168)
HSL	hsl(230, 51%, 44%)
HSV	hsv(230, 67%, 66%)
CMYK	cmyk(67.3%, 56%, 0%, 34.1%)
CIE-LAB	lab(35.07, 24.17, -52.88)
CIE-LCH	lch(35.07, 58.14, 294.57°)
OKLab	oklab(44.95% 0.0013 -0.1521)
OKLCH	oklch(44.95% 0.152 270.5)
XYZ	xyz(11.0898, 8.5359, 38.1014)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AA8 #A89537

analogous

#3782A8 #374AA8 #5C37A8

triadic

#374AA8 #A8374A #4AA837

tetradic

#374AA8 #A83782 #A89537 #37A85C

square

#374AA8 #A83782 #A89537 #37A85C

split-complementary

#374AA8 #A85C37 #82A837

monochromatic

#19214C #28367A #374AA8 #5568C7 #8391D6

Accessibility & contrast

On white

7.76

#374AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#374AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AA8

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AA8	#FFFFFF	#000000	##FFFFFF
##374AA8	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #374aa8;
/* rgb */ color: rgb(55, 74, 168);
/* oklch */ color: oklch(45.0% 0.152 270.5);

Tailwind

colors: {
  custom: {
    50: '#7b7cc3',
    500: '#374aa8',
    950: '#000000',
  },
}

SCSS

$custom: #374aa8;
$custom-light: #7b7cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#374aa8",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 168
  },
  "hsl": {
    "h": 229.912,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44952,
    "c": 0.15209,
    "h": 270.5
  },
  "luminance": 0.08537
}

Semantic roles & 50–950 ramp

primary

#374AA8

secondary

#C0B47B

accent

#C34EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374AA8

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

Preview Lab → · Contrast checker → · Palette generator →