#374FBE#374FBE

#374FBE is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.7% C 0.176 H 269.3°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#374FBE
RGB	rgb(55, 79, 190)
HSL	hsl(229, 55%, 48%)
HSV	hsv(229, 71%, 75%)
CMYK	cmyk(71.1%, 58.4%, 0%, 25.5%)
CIE-LAB	lab(38.06, 28.91, -61.03)
CIE-LCH	lch(38.06, 67.54, 295.35°)
OKLab	oklab(47.71% -0.0022 -0.176)
OKLCH	oklch(47.71% 0.176 269.3)
XYZ	xyz(13.6626, 10.1205, 49.9386)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FBE #BEA637

analogous

#3793BE #374FBE #6237BE

triadic

#374FBE #BE374F #4FBE37

tetradic

#374FBE #BE3793 #BEA637 #37BE62

square

#374FBE #BE3793 #BEA637 #37BE62

split-complementary

#374FBE #BE6237 #93BE37

monochromatic

#1C285F #293B8F #374FBE #6175D1 #909EDF

Accessibility & contrast

On white

6.94

#374FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#374FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FBE

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FBE	#FFFFFF	#000000	##FFFFFF
##374FBE	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C2

Deuteranopia (green-blind)

#0054BC

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374fbe;
/* rgb */ color: rgb(55, 79, 190);
/* oklch */ color: oklch(47.7% 0.176 269.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#374fbe",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 190
  },
  "hsl": {
    "h": 229.333,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4771,
    "c": 0.17601,
    "h": 269.3
  },
  "luminance": 0.10122
}

Semantic roles & 50–950 ramp

primary

#374FBE

secondary

#CABE87

accent

#C449DE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #374FBE

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

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