#374AAF#374AAF

#374AAF is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.162 H 270.5°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#374AAF
RGB	rgb(55, 74, 175)
HSL	hsl(231, 52%, 45%)
HSV	hsv(231, 69%, 69%)
CMYK	cmyk(68.6%, 57.7%, 0%, 31.4%)
CIE-LAB	lab(35.60, 26.72, -56.19)
CIE-LCH	lch(35.60, 62.21, 295.43°)
OKLab	oklab(45.51% 0.0015 -0.1618)
OKLCH	oklch(45.51% 0.162 270.5)
XYZ	xyz(11.7596, 8.8038, 41.6287)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AAF #AF9C37

analogous

#3786AF #374AAF #6037AF

triadic

#374AAF #AF374A #4AAF37

tetradic

#374AAF #AF3786 #AF9C37 #37AF60

square

#374AAF #AF3786 #AF9C37 #37AF60

split-complementary

#374AAF #AF6037 #86AF37

monochromatic

#1A2352 #283680 #374AAF #596BCB #8794D9

Accessibility & contrast

On white

7.61

#374AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#374AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AAF

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AAF	#FFFFFF	#000000	##FFFFFF
##374AAF	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B2

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374aaf;
/* rgb */ color: rgb(55, 74, 175);
/* oklch */ color: oklch(45.5% 0.162 270.5);

Tailwind

colors: {
  custom: {
    50: '#7d7cc8',
    500: '#374aaf',
    950: '#000000',
  },
}

SCSS

$custom: #374aaf;
$custom-light: #7d7cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#374aaf",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 175
  },
  "hsl": {
    "h": 230.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45514,
    "c": 0.16182,
    "h": 270.5
  },
  "luminance": 0.08805
}

Semantic roles & 50–950 ramp

primary

#374AAF

secondary

#C3B87F

accent

#C54CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374AAF

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

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