#374FDA#374FDA

#374FDA is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.1% C 0.213 H 269.3°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#374FDA
RGB	rgb(55, 79, 218)
HSL	hsl(231, 69%, 54%)
HSV	hsv(231, 75%, 85%)
CMYK	cmyk(74.8%, 63.8%, 0%, 14.5%)
CIE-LAB	lab(40.35, 38.94, -73.49)
CIE-LCH	lch(40.35, 83.17, 297.92°)
OKLab	oklab(50.12% -0.0026 -0.2125)
OKLCH	oklch(50.12% 0.213 269.3)
XYZ	xyz(17.0221, 11.4643, 67.6318)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FDA #DAC237

analogous

#37A0DA #374FDA #7037DA

triadic

#374FDA #DA374F #4FDA37

tetradic

#374FDA #DA37A0 #DAC237 #37DA70

square

#374FDA #DA37A0 #DAC237 #37DA70

split-complementary

#374FDA #DA7037 #A0DA37

monochromatic

#18277F #2137B3 #374FDA #6B7CE4 #9EAAED

Accessibility & contrast

On white

6.38

#374FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#374FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FDA

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FDA	#FFFFFF	#000000	##FFFFFF
##374FDA	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067DE

Deuteranopia (green-blind)

#0058D7

Tritanopia (blue-blind)

#00748D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #374fda;
/* rgb */ color: rgb(55, 79, 218);
/* oklch */ color: oklch(50.1% 0.213 269.3);

Tailwind

colors: {
  custom: {
    50: '#8680e7',
    500: '#374fda',
    950: '#000000',
  },
}

SCSS

$custom: #374fda;
$custom-light: #8680e7;
$custom-dark: #000000;

JSON

{
  "hex": "#374fda",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 218
  },
  "hsl": {
    "h": 231.166,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50118,
    "c": 0.21254,
    "h": 269.3
  },
  "luminance": 0.11466
}

Semantic roles & 50–950 ramp

primary

#374FDA

secondary

#D9CF93

accent

#D23CEC

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #374FDA

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

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