#374AA7#374AA7

#374AA7 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.151 H 270.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#374AA7
RGB	rgb(55, 74, 167)
HSL	hsl(230, 50%, 44%)
HSV	hsv(230, 67%, 65%)
CMYK	cmyk(67.1%, 55.7%, 0%, 34.5%)
CIE-LAB	lab(35.00, 23.81, -52.40)
CIE-LCH	lch(35.00, 57.55, 294.44°)
OKLab	oklab(44.87% 0.0012 -0.1507)
OKLCH	oklch(44.87% 0.151 270.5)
XYZ	xyz(10.9970, 8.4988, 37.6126)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AA7 #A79437

analogous

#3782A7 #374AA7 #5C37A7

triadic

#374AA7 #A7374A #4AA737

tetradic

#374AA7 #A73782 #A79437 #37A75C

square

#374AA7 #A73782 #A79437 #37A75C

split-complementary

#374AA7 #A75C37 #82A737

monochromatic

#19214B #283679 #374AA7 #5468C7 #8291D6

Accessibility & contrast

On white

7.78

#374AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#374AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AA7

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AA7	#FFFFFF	#000000	##FFFFFF
##374AA7	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AA

Deuteranopia (green-blind)

#004DA5

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #374aa7;
/* rgb */ color: rgb(55, 74, 167);
/* oklch */ color: oklch(44.9% 0.151 270.5);

Tailwind

colors: {
  custom: {
    50: '#7b7cc2',
    500: '#374aa7',
    950: '#000000',
  },
}

SCSS

$custom: #374aa7;
$custom-light: #7b7cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#374aa7",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 167
  },
  "hsl": {
    "h": 229.821,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44873,
    "c": 0.15068,
    "h": 270.5
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary

#374AA7

secondary

#C0B47A

accent

#C24EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374AA7

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

Preview Lab → · Contrast checker → · Palette generator →