#374FB6#374FB6

#374FB6 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.165 H 269.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#374FB6
RGB	rgb(55, 79, 182)
HSL	hsl(229, 54%, 46%)
HSV	hsv(229, 70%, 71%)
CMYK	cmyk(69.8%, 56.6%, 0%, 28.6%)
CIE-LAB	lab(37.45, 26.00, -57.33)
CIE-LCH	lch(37.45, 62.95, 294.39°)
OKLab	oklab(47.06% -0.0024 -0.1651)
OKLCH	oklch(47.06% 0.165 269.2)
XYZ	xyz(12.8121, 9.7803, 45.4595)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FB6 #B69E37

analogous

#378FB6 #374FB6 #5F37B6

triadic

#374FB6 #B6374F #4FB637

tetradic

#374FB6 #B6378F #B69E37 #37B65F

square

#374FB6 #B6378F #B69E37 #37B65F

split-complementary

#374FB6 #B65F37 #8FB637

monochromatic

#1B2658 #293B87 #374FB6 #5C72CE #8B9BDC

Accessibility & contrast

On white

7.10

#374FB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#374FB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FB6

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FB6	#FFFFFF	#000000	##FFFFFF
##374FB6	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBA

Deuteranopia (green-blind)

#0053B4

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374fb6;
/* rgb */ color: rgb(55, 79, 182);
/* oklch */ color: oklch(47.1% 0.165 269.2);

Tailwind

colors: {
  custom: {
    50: '#7e80cd',
    500: '#374fb6',
    950: '#000000',
  },
}

SCSS

$custom: #374fb6;
$custom-light: #7e80cd;
$custom-dark: #000000;

JSON

{
  "hex": "#374fb6",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 182
  },
  "hsl": {
    "h": 228.661,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47059,
    "c": 0.16514,
    "h": 269.2
  },
  "luminance": 0.09782
}

Semantic roles & 50–950 ramp

primary

#374FB6

secondary

#C6BA82

accent

#C14BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374FB6

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

Preview Lab → · Contrast checker → · Palette generator →