#374DC7#374DC7

#374DC7 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.1% C 0.190 H 269.8°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#374DC7
RGB	rgb(55, 77, 199)
HSL	hsl(231, 57%, 50%)
HSV	hsv(231, 72%, 78%)
CMYK	cmyk(72.4%, 61.3%, 0%, 22%)
CIE-LAB	lab(38.27, 33.44, -65.93)
CIE-LCH	lch(38.27, 73.93, 296.90°)
OKLab	oklab(48.09% -0.0007 -0.1904)
OKLCH	oklch(48.09% 0.19 269.8)
XYZ	xyz(14.5347, 10.2420, 55.2327)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DC7 #C7B137

analogous

#3795C7 #374DC7 #6937C7

triadic

#374DC7 #C7374D #4DC737

tetradic

#374DC7 #C73795 #C7B137 #37C769

square

#374DC7 #C73795 #C7B137 #37C769

split-complementary

#374DC7 #C76937 #95C737

monochromatic

#1C2867 #2A3A97 #374DC7 #6677D5 #96A2E2

Accessibility & contrast

On white

6.89

#374DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#374DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374DC7

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DC7	#FFFFFF	#000000	##FFFFFF
##374DC7	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CB

Deuteranopia (green-blind)

#0054C5

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374dc7;
/* rgb */ color: rgb(55, 77, 199);
/* oklch */ color: oklch(48.1% 0.190 269.8);

Tailwind

colors: {
  custom: {
    50: '#827ed9',
    500: '#374dc7',
    950: '#000000',
  },
}

SCSS

$custom: #374dc7;
$custom-light: #827ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#374dc7",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 199
  },
  "hsl": {
    "h": 230.833,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48094,
    "c": 0.19039,
    "h": 269.8
  },
  "luminance": 0.10244
}

Semantic roles & 50–950 ramp

primary

#374DC7

secondary

#CDC48C

accent

#C948E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374DC7

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

Preview Lab → · Contrast checker → · Palette generator →