#374CA7#374CA7

#374CA7 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.148 H 269.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#374CA7
RGB	rgb(55, 76, 167)
HSL	hsl(229, 50%, 44%)
HSV	hsv(229, 67%, 65%)
CMYK	cmyk(67.1%, 54.5%, 0%, 34.5%)
CIE-LAB	lab(35.54, 22.49, -51.53)
CIE-LCH	lch(35.54, 56.22, 293.58°)
OKLab	oklab(45.28% -0.0006 -0.1481)
OKLCH	oklch(45.28% 0.148 269.8)
XYZ	xyz(11.1327, 8.7701, 37.6578)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CA7 #A79237

analogous

#3784A7 #374CA7 #5A37A7

triadic

#374CA7 #A7374C #4CA737

tetradic

#374CA7 #A73784 #A79237 #37A75A

square

#374CA7 #A73784 #A79237 #37A75A

split-complementary

#374CA7 #A75A37 #84A737

monochromatic

#19224B #283779 #374CA7 #546AC7 #8292D6

Accessibility & contrast

On white

7.62

#374CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#374CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CA7

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CA7	#FFFFFF	#000000	##FFFFFF
##374CA7	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0959AA

Deuteranopia (green-blind)

#004FA5

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374ca7;
/* rgb */ color: rgb(55, 76, 167);
/* oklch */ color: oklch(45.3% 0.148 269.8);

Tailwind

colors: {
  custom: {
    50: '#7b7dc2',
    500: '#374ca7',
    950: '#000000',
  },
}

SCSS

$custom: #374ca7;
$custom-light: #7b7dc2;
$custom-dark: #000000;

JSON

{
  "hex": "#374ca7",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 167
  },
  "hsl": {
    "h": 228.75,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45276,
    "c": 0.14809,
    "h": 269.8
  },
  "luminance": 0.08771
}

Semantic roles & 50–950 ramp

primary

#374CA7

secondary

#C0B37A

accent

#C04EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374CA7

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

Preview Lab → · Contrast checker → · Palette generator →