#374EAC#374EAC

#374EAC is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.153 H 269.2°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#374EAC
RGB	rgb(55, 78, 172)
HSL	hsl(228, 52%, 45%)
HSV	hsv(228, 68%, 67%)
CMYK	cmyk(68%, 54.7%, 0%, 32.5%)
CIE-LAB	lab(36.44, 23.00, -53.05)
CIE-LCH	lch(36.44, 57.82, 293.44°)
OKLab	oklab(46.07% -0.0021 -0.1525)
OKLCH	oklch(46.07% 0.153 269.2)
XYZ	xyz(11.7438, 9.2384, 40.1860)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EAC #AC9537

analogous

#3789AC #374EAC #5B37AC

triadic

#374EAC #AC374E #4EAC37

tetradic

#374EAC #AC3789 #AC9537 #37AC5B

square

#374EAC #AC3789 #AC9537 #37AC5B

split-complementary

#374EAC #AC5B37 #89AC37

monochromatic

#19244F #28397E #374EAC #576DC9 #8596D8

Accessibility & contrast

On white

7.37

#374EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#374EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EAC

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EAC	#FFFFFF	#000000	##FFFFFF
##374EAC	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#055BAF

Deuteranopia (green-blind)

#0051AA

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374eac;
/* rgb */ color: rgb(55, 78, 172);
/* oklch */ color: oklch(46.1% 0.153 269.2);

Tailwind

colors: {
  custom: {
    50: '#7c7fc5',
    500: '#374eac',
    950: '#000000',
  },
}

SCSS

$custom: #374eac;
$custom-light: #7c7fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#374eac",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 172
  },
  "hsl": {
    "h": 228.205,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4607,
    "c": 0.15254,
    "h": 269.2
  },
  "luminance": 0.0924
}

Semantic roles & 50–950 ramp

primary

#374EAC

secondary

#C2B47D

accent

#BF4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374EAC

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

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