#374EAA#374EAA

#374EAA is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.150 H 269.2°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#374EAA
RGB	rgb(55, 78, 170)
HSL	hsl(228, 51%, 44%)
HSV	hsv(228, 68%, 67%)
CMYK	cmyk(67.6%, 54.1%, 0%, 33.3%)
CIE-LAB	lab(36.29, 22.27, -52.09)
CIE-LCH	lch(36.29, 56.65, 293.15°)
OKLab	oklab(45.92% -0.0022 -0.1497)
OKLCH	oklch(45.92% 0.15 269.2)
XYZ	xyz(11.5532, 9.1622, 39.1820)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EAA #AA9337

analogous

#3788AA #374EAA #5A37AA

triadic

#374EAA #AA374E #4EAA37

tetradic

#374EAA #AA3788 #AA9337 #37AA5A

square

#374EAA #AA3788 #AA9337 #37AA5A

split-complementary

#374EAA #AA5A37 #88AA37

monochromatic

#19244E #28397C #374EAA #566DC8 #8495D7

Accessibility & contrast

On white

7.41

#374EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#374EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EAA

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EAA	#FFFFFF	#000000	##FFFFFF
##374EAA	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C5BAD

Deuteranopia (green-blind)

#0050A8

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #374eaa;
/* rgb */ color: rgb(55, 78, 170);
/* oklch */ color: oklch(45.9% 0.150 269.2);

Tailwind

colors: {
  custom: {
    50: '#7b7fc4',
    500: '#374eaa',
    950: '#000000',
  },
}

SCSS

$custom: #374eaa;
$custom-light: #7b7fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#374eaa",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 170
  },
  "hsl": {
    "h": 228,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45915,
    "c": 0.14974,
    "h": 269.2
  },
  "luminance": 0.09163
}

Semantic roles & 50–950 ramp

primary

#374EAA

secondary

#C1B37C

accent

#BE4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #374EAA

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

Preview Lab → · Contrast checker → · Palette generator →