#374FB4#374FB4

#374FB4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.9% C 0.162 H 269.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#374FB4
RGB	rgb(55, 79, 180)
HSL	hsl(228, 53%, 46%)
HSV	hsv(228, 69%, 71%)
CMYK	cmyk(69.4%, 56.1%, 0%, 29.4%)
CIE-LAB	lab(37.30, 25.27, -56.40)
CIE-LCH	lch(37.30, 61.80, 294.14°)
OKLab	oklab(46.9% -0.0025 -0.1624)
OKLCH	oklch(46.9% 0.162 269.1)
XYZ	xyz(12.6069, 9.6982, 44.3787)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FB4 #B49C37

analogous

#378DB4 #374FB4 #5D37B4

triadic

#374FB4 #B4374F #4FB437

tetradic

#374FB4 #B4378D #B49C37 #37B45D

square

#374FB4 #B4378D #B49C37 #37B45D

split-complementary

#374FB4 #B45D37 #8DB437

monochromatic

#1A2656 #293A85 #374FB4 #5B71CD #8A9ADB

Accessibility & contrast

On white

7.14

#374FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#374FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FB4

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FB4	#FFFFFF	#000000	##FFFFFF
##374FB4	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB7

Deuteranopia (green-blind)

#0052B2

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374fb4;
/* rgb */ color: rgb(55, 79, 180);
/* oklch */ color: oklch(46.9% 0.162 269.1);

Tailwind

colors: {
  custom: {
    50: '#7d80cb',
    500: '#374fb4',
    950: '#000000',
  },
}

SCSS

$custom: #374fb4;
$custom-light: #7d80cb;
$custom-dark: #000000;

JSON

{
  "hex": "#374fb4",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 180
  },
  "hsl": {
    "h": 228.48,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.469,
    "c": 0.16239,
    "h": 269.1
  },
  "luminance": 0.09699
}

Semantic roles & 50–950 ramp

primary

#374FB4

secondary

#C6B881

accent

#C14BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374FB4

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

Preview Lab → · Contrast checker → · Palette generator →