#374CAE#374CAE

#374CAE is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.158 H 269.9°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#374CAE
RGB	rgb(55, 76, 174)
HSL	hsl(229, 52%, 45%)
HSV	hsv(229, 68%, 68%)
CMYK	cmyk(68.4%, 56.3%, 0%, 31.8%)
CIE-LAB	lab(36.05, 25.04, -54.86)
CIE-LCH	lch(36.05, 60.31, 294.54°)
OKLab	oklab(45.83% -0.0002 -0.1579)
OKLCH	oklch(45.83% 0.158 269.9)
XYZ	xyz(11.7974, 9.0360, 41.1586)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CAE #AE9937

analogous

#3787AE #374CAE #5E37AE

triadic

#374CAE #AE374C #4CAE37

tetradic

#374CAE #AE3787 #AE9937 #37AE5E

square

#374CAE #AE3787 #AE9937 #37AE5E

split-complementary

#374CAE #AE5E37 #87AE37

monochromatic

#1A2351 #28387F #374CAE #586CCA #8695D9

Accessibility & contrast

On white

7.48

#374CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#374CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CAE

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CAE	#FFFFFF	#000000	##FFFFFF
##374CAE	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB1

Deuteranopia (green-blind)

#0050AC

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #374cae;
/* rgb */ color: rgb(55, 76, 174);
/* oklch */ color: oklch(45.8% 0.158 269.9);

Tailwind

colors: {
  custom: {
    50: '#7c7dc7',
    500: '#374cae',
    950: '#000000',
  },
}

SCSS

$custom: #374cae;
$custom-light: #7c7dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#374cae",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 174
  },
  "hsl": {
    "h": 229.412,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45827,
    "c": 0.15789,
    "h": 269.9
  },
  "luminance": 0.09037
}

Semantic roles & 50–950 ramp

primary

#374CAE

secondary

#C3B77E

accent

#C24CDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374CAE

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

Preview Lab → · Contrast checker → · Palette generator →