#374DBE#374DBE

#374DBE is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.3% C 0.178 H 269.8°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#374DBE
RGB	rgb(55, 77, 190)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 75%)
CMYK	cmyk(71.1%, 59.5%, 0%, 25.5%)
CIE-LAB	lab(37.55, 30.20, -61.87)
CIE-LCH	lch(37.55, 68.84, 296.02°)
OKLab	oklab(47.33% -0.0006 -0.1785)
OKLCH	oklch(47.33% 0.178 269.8)
XYZ	xyz(13.5205, 9.8363, 49.8913)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DBE #BEA837

analogous

#3790BE #374DBE #6437BE

triadic

#374DBE #BE374D #4DBE37

tetradic

#374DBE #BE3790 #BEA837 #37BE64

square

#374DBE #BE3790 #BEA837 #37BE64

split-complementary

#374DBE #BE6437 #90BE37

monochromatic

#1C275F #293A8F #374DBE #6173D1 #909DDF

Accessibility & contrast

On white

7.08

#374DBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#374DBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DBE

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DBE	#FFFFFF	#000000	##FFFFFF
##374DBE	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC2

Deuteranopia (green-blind)

#0052BC

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374dbe;
/* rgb */ color: rgb(55, 77, 190);
/* oklch */ color: oklch(47.3% 0.178 269.8);

Tailwind

colors: {
  custom: {
    50: '#807ed2',
    500: '#374dbe',
    950: '#000000',
  },
}

SCSS

$custom: #374dbe;
$custom-light: #807ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#374dbe",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 190
  },
  "hsl": {
    "h": 230.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47329,
    "c": 0.17846,
    "h": 269.8
  },
  "luminance": 0.09838
}

Semantic roles & 50–950 ramp

primary

#374DBE

secondary

#CABF87

accent

#C649DE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374DBE

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

Preview Lab → · Contrast checker → · Palette generator →