#374DAA#374DAA

#374DAA is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.151 H 269.5°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#374DAA
RGB	rgb(55, 77, 170)
HSL	hsl(229, 51%, 44%)
HSV	hsv(229, 68%, 67%)
CMYK	cmyk(67.6%, 54.7%, 0%, 33.3%)
CIE-LAB	lab(36.03, 22.93, -52.53)
CIE-LCH	lch(36.03, 57.32, 293.58°)
OKLab	oklab(45.71% -0.0013 -0.151)
OKLCH	oklch(45.71% 0.151 269.5)
XYZ	xyz(11.4827, 9.0212, 39.1585)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DAA #AA9437

analogous

#3787AA #374DAA #5B37AA

triadic

#374DAA #AA374D #4DAA37

tetradic

#374DAA #AA3787 #AA9437 #37AA5B

square

#374DAA #AA3787 #AA9437 #37AA5B

split-complementary

#374DAA #AA5B37 #87AA37

monochromatic

#19234E #28387C #374DAA #566CC8 #8494D7

Accessibility & contrast

On white

7.49

#374DAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#374DAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DAA

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DAA	#FFFFFF	#000000	##FFFFFF
##374DAA	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#055AAD

Deuteranopia (green-blind)

#0050A8

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #374daa;
/* rgb */ color: rgb(55, 77, 170);
/* oklch */ color: oklch(45.7% 0.151 269.5);

Tailwind

colors: {
  custom: {
    50: '#7b7ec4',
    500: '#374daa',
    950: '#000000',
  },
}

SCSS

$custom: #374daa;
$custom-light: #7b7ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#374daa",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 170
  },
  "hsl": {
    "h": 228.522,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45712,
    "c": 0.15103,
    "h": 269.5
  },
  "luminance": 0.09022
}

Semantic roles & 50–950 ramp

primary

#374DAA

secondary

#C1B47C

accent

#C04DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #374DAA

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

Preview Lab → · Contrast checker → · Palette generator →