#374BAE#374BAE

#374BAE is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.159 H 270.2°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#374BAE
RGB	rgb(55, 75, 174)
HSL	hsl(230, 52%, 45%)
HSV	hsv(230, 68%, 68%)
CMYK	cmyk(68.4%, 56.9%, 0%, 31.8%)
CIE-LAB	lab(35.79, 25.70, -55.29)
CIE-LCH	lch(35.79, 60.97, 294.93°)
OKLab	oklab(45.63% 0.0007 -0.1592)
OKLCH	oklch(45.63% 0.159 270.2)
XYZ	xyz(11.7290, 8.8993, 41.1358)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BAE #AE9A37

analogous

#3787AE #374BAE #5F37AE

triadic

#374BAE #AE374B #4BAE37

tetradic

#374BAE #AE3787 #AE9A37 #37AE5F

square

#374BAE #AE3787 #AE9A37 #37AE5F

split-complementary

#374BAE #AE5F37 #87AE37

monochromatic

#1A2351 #28377F #374BAE #586BCA #8694D9

Accessibility & contrast

On white

7.55

#374BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#374BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BAE

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BAE	#FFFFFF	#000000	##FFFFFF
##374BAE	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB1

Deuteranopia (green-blind)

#004FAC

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374bae;
/* rgb */ color: rgb(55, 75, 174);
/* oklch */ color: oklch(45.6% 0.159 270.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#374bae",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 174
  },
  "hsl": {
    "h": 229.916,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45629,
    "c": 0.15916,
    "h": 270.2
  },
  "luminance": 0.089
}

Semantic roles & 50–950 ramp

primary

#374BAE

secondary

#C3B77E

accent

#C34CDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374BAE

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

Preview Lab → · Contrast checker → · Palette generator →