#374EBC#374EBC

#374EBC is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.4% C 0.175 H 269.5°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#374EBC
RGB	rgb(55, 78, 188)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 74%)
CMYK	cmyk(70.7%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(37.65, 28.83, -60.53)
CIE-LCH	lch(37.65, 67.05, 295.47°)
OKLab	oklab(47.35% -0.0014 -0.1745)
OKLCH	oklch(47.35% 0.175 269.5)
XYZ	xyz(13.3739, 9.8905, 48.7714)
Luminance	0.0989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EBC #BCA537

analogous

#3791BC #374EBC #6237BC

triadic

#374EBC #BC374E #4EBC37

tetradic

#374EBC #BC3791 #BCA537 #37BC62

square

#374EBC #BC3791 #BCA537 #37BC62

split-complementary

#374EBC #BC6237 #91BC37

monochromatic

#1B275D #293A8D #374EBC #6073D0 #8F9DDE

Accessibility & contrast

On white

7.05

#374EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#374EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EBC

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EBC	#FFFFFF	#000000	##FFFFFF
##374EBC	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374ebc;
/* rgb */ color: rgb(55, 78, 188);
/* oklch */ color: oklch(47.4% 0.175 269.5);

Tailwind

colors: {
  custom: {
    50: '#7f7fd1',
    500: '#374ebc',
    950: '#000000',
  },
}

SCSS

$custom: #374ebc;
$custom-light: #7f7fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#374ebc",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 229.624,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.47353,
    "c": 0.17455,
    "h": 269.5
  },
  "luminance": 0.09892
}

Semantic roles & 50–950 ramp

primary

#374EBC

secondary

#C9BD86

accent

#C44ADE

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #374EBC

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

Preview Lab → · Contrast checker → · Palette generator →