#374EBE#374EBE

#374EBE is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.5% C 0.177 H 269.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#374EBE
RGB	rgb(55, 78, 190)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 75%)
CMYK	cmyk(71.1%, 58.9%, 0%, 25.5%)
CIE-LAB	lab(37.80, 29.56, -61.45)
CIE-LCH	lch(37.80, 68.19, 295.69°)
OKLab	oklab(47.52% -0.0014 -0.1772)
OKLCH	oklch(47.52% 0.177 269.5)
XYZ	xyz(13.5910, 9.9773, 49.9148)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EBE #BEA737

analogous

#3791BE #374EBE #6437BE

triadic

#374EBE #BE374E #4EBE37

tetradic

#374EBE #BE3791 #BEA737 #37BE64

square

#374EBE #BE3791 #BEA737 #37BE64

split-complementary

#374EBE #BE6437 #91BE37

monochromatic

#1C275F #293B8F #374EBE #6174D1 #909EDF

Accessibility & contrast

On white

7.01

#374EBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#374EBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374EBE

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EBE	#FFFFFF	#000000	##FFFFFF
##374EBE	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC2

Deuteranopia (green-blind)

#0053BC

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374ebe;
/* rgb */ color: rgb(55, 78, 190);
/* oklch */ color: oklch(47.5% 0.177 269.5);

Tailwind

colors: {
  custom: {
    50: '#7f7fd2',
    500: '#374ebe',
    950: '#000000',
  },
}

SCSS

$custom: #374ebe;
$custom-light: #7f7fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#374ebe",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 190
  },
  "hsl": {
    "h": 229.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47519,
    "c": 0.17724,
    "h": 269.5
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#374EBE

secondary

#CABE87

accent

#C549DE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #374EBE

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

Preview Lab → · Contrast checker → · Palette generator →