#374FBD#374FBD

#374FBD is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.175 H 269.3°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#374FBD
RGB	rgb(55, 79, 189)
HSL	hsl(229, 55%, 48%)
HSV	hsv(229, 71%, 74%)
CMYK	cmyk(70.9%, 58.2%, 0%, 25.9%)
CIE-LAB	lab(37.98, 28.55, -60.58)
CIE-LCH	lch(37.98, 66.97, 295.23°)
OKLab	oklab(47.63% -0.0022 -0.1746)
OKLCH	oklch(47.63% 0.175 269.3)
XYZ	xyz(13.5537, 10.0769, 49.3650)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FBD #BDA537

analogous

#3792BD #374FBD #6237BD

triadic

#374FBD #BD374F #4FBD37

tetradic

#374FBD #BD3792 #BDA537 #37BD62

square

#374FBD #BD3792 #BDA537 #37BD62

split-complementary

#374FBD #BD6237 #92BD37

monochromatic

#1B275E #293B8E #374FBD #6075D1 #909EDF

Accessibility & contrast

On white

6.96

#374FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#374FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FBD

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FBD	#FFFFFF	#000000	##FFFFFF
##374FBD	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0053BB

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374fbd;
/* rgb */ color: rgb(55, 79, 189);
/* oklch */ color: oklch(47.6% 0.175 269.3);

Tailwind

colors: {
  custom: {
    50: '#7f80d2',
    500: '#374fbd',
    950: '#000000',
  },
}

SCSS

$custom: #374fbd;
$custom-light: #7f80d2;
$custom-dark: #000000;

JSON

{
  "hex": "#374fbd",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 189
  },
  "hsl": {
    "h": 229.254,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47627,
    "c": 0.17466,
    "h": 269.3
  },
  "luminance": 0.10078
}

Semantic roles & 50–950 ramp

primary

#374FBD

secondary

#C9BD86

accent

#C44ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #374FBD

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

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