#374FAF#374FAF

#374FAF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.155 H 269.0°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#374FAF
RGB	rgb(55, 79, 175)
HSL	hsl(228, 52%, 45%)
HSV	hsv(228, 69%, 69%)
CMYK	cmyk(68.6%, 54.9%, 0%, 31.4%)
CIE-LAB	lab(36.93, 23.44, -54.04)
CIE-LCH	lch(36.93, 58.91, 293.45°)
OKLab	oklab(46.51% -0.0028 -0.1554)
OKLCH	oklch(46.51% 0.155 269)
XYZ	xyz(12.1067, 9.4982, 41.7444)
Luminance	0.0950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FAF #AF9737

analogous

#378BAF #374FAF #5B37AF

triadic

#374FAF #AF374F #4FAF37

tetradic

#374FAF #AF378B #AF9737 #37AF5B

square

#374FAF #AF378B #AF9737 #37AF5B

split-complementary

#374FAF #AF5B37 #8BAF37

monochromatic

#1A2552 #283A80 #374FAF #596FCB #8798D9

Accessibility & contrast

On white

7.24

#374FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#374FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FAF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FAF	#FFFFFF	#000000	##FFFFFF
##374FAF	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015DB2

Deuteranopia (green-blind)

#0052AD

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #374faf;
/* rgb */ color: rgb(55, 79, 175);
/* oklch */ color: oklch(46.5% 0.155 269.0);

Tailwind

colors: {
  custom: {
    50: '#7c80c8',
    500: '#374faf',
    950: '#000000',
  },
}

SCSS

$custom: #374faf;
$custom-light: #7c80c8;
$custom-dark: #000000;

JSON

{
  "hex": "#374faf",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 175
  },
  "hsl": {
    "h": 228,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46506,
    "c": 0.15545,
    "h": 269
  },
  "luminance": 0.09499
}

Semantic roles & 50–950 ramp

primary

#374FAF

secondary

#C3B67F

accent

#BF4CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374FAF

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

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