#374CC3#374CC3

#374CC3 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.6% C 0.186 H 270.0°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#374CC3
RGB	rgb(55, 76, 195)
HSL	hsl(231, 56%, 49%)
HSV	hsv(231, 72%, 76%)
CMYK	cmyk(71.8%, 61%, 0%, 23.5%)
CIE-LAB	lab(37.70, 32.64, -64.54)
CIE-LCH	lch(37.70, 72.33, 296.83°)
OKLab	oklab(47.57% 0.0001 -0.1863)
OKLCH	oklch(47.57% 0.186 270)
XYZ	xyz(14.0069, 9.9198, 52.7957)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CC3 #C3AE37

analogous

#3792C3 #374CC3 #6837C3

triadic

#374CC3 #C3374C #4CC337

tetradic

#374CC3 #C33792 #C3AE37 #37C368

square

#374CC3 #C33792 #C3AE37 #37C368

split-complementary

#374CC3 #C36837 #92C337

monochromatic

#1C2764 #2A3993 #374CC3 #6475D3 #949FE1

Accessibility & contrast

On white

7.04

#374CC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#374CC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CC3

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CC3	#FFFFFF	#000000	##FFFFFF
##374CC3	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC7

Deuteranopia (green-blind)

#0052C1

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374cc3;
/* rgb */ color: rgb(55, 76, 195);
/* oklch */ color: oklch(47.6% 0.186 270.0);

Tailwind

colors: {
  custom: {
    50: '#817ed6',
    500: '#374cc3',
    950: '#000000',
  },
}

SCSS

$custom: #374cc3;
$custom-light: #817ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#374cc3",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 195
  },
  "hsl": {
    "h": 231,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47567,
    "c": 0.18633,
    "h": 270
  },
  "luminance": 0.09921
}

Semantic roles & 50–950 ramp

primary

#374CC3

secondary

#CCC28A

accent

#C949DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #374CC3

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

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