#374EB6#374EB6

#374EB6 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.9% C 0.166 H 269.5°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#374EB6
RGB	rgb(55, 78, 182)
HSL	hsl(229, 54%, 46%)
HSV	hsv(229, 70%, 71%)
CMYK	cmyk(69.8%, 57.1%, 0%, 28.6%)
CIE-LAB	lab(37.18, 26.65, -57.76)
CIE-LCH	lch(37.18, 63.61, 294.77°)
OKLab	oklab(46.86% -0.0016 -0.1664)
OKLCH	oklch(46.86% 0.166 269.5)
XYZ	xyz(12.7405, 9.6371, 45.4356)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EB6 #B69F37

analogous

#378EB6 #374EB6 #6037B6

triadic

#374EB6 #B6374E #4EB637

tetradic

#374EB6 #B6378E #B69F37 #37B660

square

#374EB6 #B6378E #B69F37 #37B660

split-complementary

#374EB6 #B66037 #8EB637

monochromatic

#1B2658 #293A87 #374EB6 #5C71CE #8B9ADC

Accessibility & contrast

On white

7.17

#374EB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#374EB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EB6

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EB6	#FFFFFF	#000000	##FFFFFF
##374EB6	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBA

Deuteranopia (green-blind)

#0052B4

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #374eb6;
/* rgb */ color: rgb(55, 78, 182);
/* oklch */ color: oklch(46.9% 0.166 269.5);

Tailwind

colors: {
  custom: {
    50: '#7e7fcd',
    500: '#374eb6',
    950: '#000000',
  },
}

SCSS

$custom: #374eb6;
$custom-light: #7e7fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#374eb6",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 182
  },
  "hsl": {
    "h": 229.134,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46863,
    "c": 0.16639,
    "h": 269.5
  },
  "luminance": 0.09638
}

Semantic roles & 50–950 ramp

primary

#374EB6

secondary

#C6BA82

accent

#C34BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374EB6

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

Preview Lab → · Contrast checker → · Palette generator →