#374AAB#374AAB

#374AAB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.156 H 270.5°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#374AAB
RGB	rgb(55, 74, 171)
HSL	hsl(230, 51%, 44%)
HSV	hsv(230, 68%, 67%)
CMYK	cmyk(67.8%, 56.7%, 0%, 32.9%)
CIE-LAB	lab(35.30, 25.26, -54.30)
CIE-LCH	lch(35.30, 59.89, 294.95°)
OKLab	oklab(45.19% 0.0014 -0.1563)
OKLCH	oklch(45.19% 0.156 270.5)
XYZ	xyz(11.3725, 8.6490, 39.5903)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AAB #AB9837

analogous

#3784AB #374AAB #5E37AB

triadic

#374AAB #AB374A #4AAB37

tetradic

#374AAB #AB3784 #AB9837 #37AB5E

square

#374AAB #AB3784 #AB9837 #37AB5E

split-complementary

#374AAB #AB5E37 #84AB37

monochromatic

#19224E #28367D #374AAB #5669C9 #8592D8

Accessibility & contrast

On white

7.69

#374AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#374AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AAB

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AAB	#FFFFFF	#000000	##FFFFFF
##374AAB	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AE

Deuteranopia (green-blind)

#004EA9

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374aab;
/* rgb */ color: rgb(55, 74, 171);
/* oklch */ color: oklch(45.2% 0.156 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c7cc5',
    500: '#374aab',
    950: '#000000',
  },
}

SCSS

$custom: #374aab;
$custom-light: #7c7cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#374aab",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 171
  },
  "hsl": {
    "h": 230.172,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45191,
    "c": 0.15628,
    "h": 270.5
  },
  "luminance": 0.0865
}

Semantic roles & 50–950 ramp

primary

#374AAB

secondary

#C1B67C

accent

#C44DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374AAB

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

Preview Lab → · Contrast checker → · Palette generator →