#374EAF#374EAF

#374EAF is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.157 H 269.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#374EAF
RGB	rgb(55, 78, 175)
HSL	hsl(229, 52%, 45%)
HSV	hsv(229, 69%, 69%)
CMYK	cmyk(68.6%, 55.4%, 0%, 31.4%)
CIE-LAB	lab(36.66, 24.10, -54.47)
CIE-LCH	lch(36.66, 59.57, 293.87°)
OKLab	oklab(46.31% -0.0019 -0.1567)
OKLCH	oklch(46.31% 0.157 269.3)
XYZ	xyz(12.0352, 9.3550, 41.7206)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EAF #AF9837

analogous

#378AAF #374EAF #5C37AF

triadic

#374EAF #AF374E #4EAF37

tetradic

#374EAF #AF378A #AF9837 #37AF5C

square

#374EAF #AF378A #AF9837 #37AF5C

split-complementary

#374EAF #AF5C37 #8AAF37

monochromatic

#1A2452 #283980 #374EAF #596ECB #8797D9

Accessibility & contrast

On white

7.31

#374EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#374EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EAF

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EAF	#FFFFFF	#000000	##FFFFFF
##374EAF	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB2

Deuteranopia (green-blind)

#0051AD

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374eaf;
/* rgb */ color: rgb(55, 78, 175);
/* oklch */ color: oklch(46.3% 0.157 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c7fc8',
    500: '#374eaf',
    950: '#000000',
  },
}

SCSS

$custom: #374eaf;
$custom-light: #7c7fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#374eaf",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 175
  },
  "hsl": {
    "h": 228.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46305,
    "c": 0.15673,
    "h": 269.3
  },
  "luminance": 0.09356
}

Semantic roles & 50–950 ramp

primary

#374EAF

secondary

#C3B67F

accent

#C04CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374EAF

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

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