#374AAA#374AAA

#374AAA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.155 H 270.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#374AAA
RGB	rgb(55, 74, 170)
HSL	hsl(230, 51%, 44%)
HSV	hsv(230, 68%, 67%)
CMYK	cmyk(67.6%, 56.5%, 0%, 33.3%)
CIE-LAB	lab(35.22, 24.90, -53.83)
CIE-LCH	lch(35.22, 59.31, 294.83°)
OKLab	oklab(45.11% 0.0014 -0.1549)
OKLCH	oklch(45.11% 0.155 270.5)
XYZ	xyz(11.2776, 8.6110, 39.0902)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AAA #AA9737

analogous

#3784AA #374AAA #5E37AA

triadic

#374AAA #AA374A #4AAA37

tetradic

#374AAA #AA3784 #AA9737 #37AA5E

square

#374AAA #AA3784 #AA9737 #37AA5E

split-complementary

#374AAA #AA5E37 #84AA37

monochromatic

#19224E #28367C #374AAA #5669C8 #8492D7

Accessibility & contrast

On white

7.71

#374AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#374AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AAA

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AAA	#FFFFFF	#000000	##FFFFFF
##374AAA	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AD

Deuteranopia (green-blind)

#004EA8

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374aaa;
/* rgb */ color: rgb(55, 74, 170);
/* oklch */ color: oklch(45.1% 0.155 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c7cc4',
    500: '#374aaa',
    950: '#000000',
  },
}

SCSS

$custom: #374aaa;
$custom-light: #7c7cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#374aaa",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 170
  },
  "hsl": {
    "h": 230.087,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45111,
    "c": 0.15488,
    "h": 270.5
  },
  "luminance": 0.08612
}

Semantic roles & 50–950 ramp

primary

#374AAA

secondary

#C1B67C

accent

#C34DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374AAA

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

Preview Lab → · Contrast checker → · Palette generator →