#374DA2#374DA2

#374DA2 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.140 H 269.2°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#374DA2
RGB	rgb(55, 77, 162)
HSL	hsl(228, 49%, 43%)
HSV	hsv(228, 66%, 64%)
CMYK	cmyk(66%, 52.5%, 0%, 36.5%)
CIE-LAB	lab(35.45, 20.01, -48.67)
CIE-LCH	lch(35.45, 52.62, 292.35°)
OKLab	oklab(45.1% -0.0019 -0.1397)
OKLCH	oklch(45.1% 0.14 269.2)
XYZ	xyz(10.7488, 8.7276, 35.2936)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DA2 #A28C37

analogous

#3782A2 #374DA2 #5737A2

triadic

#374DA2 #A2374D #4DA237

tetradic

#374DA2 #A23782 #A28C37 #37A257

square

#374DA2 #A23782 #A28C37 #37A257

split-complementary

#374DA2 #A25737 #82A237

monochromatic

#182247 #273774 #374DA2 #5269C4 #8091D4

Accessibility & contrast

On white

7.65

#374DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#374DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DA2

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DA2	#FFFFFF	#000000	##FFFFFF
##374DA2	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1958A5

Deuteranopia (green-blind)

#004FA0

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374da2;
/* rgb */ color: rgb(55, 77, 162);
/* oklch */ color: oklch(45.1% 0.140 269.2);

Tailwind

colors: {
  custom: {
    50: '#7a7ebe',
    500: '#374da2',
    950: '#000000',
  },
}

SCSS

$custom: #374da2;
$custom-light: #7a7ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#374da2",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 162
  },
  "hsl": {
    "h": 227.664,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.451,
    "c": 0.13967,
    "h": 269.2
  },
  "luminance": 0.08729
}

Semantic roles & 50–950 ramp

primary

#374DA2

secondary

#BDAF78

accent

#BC4FD9

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374DA2

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

Preview Lab → · Contrast checker → · Palette generator →