#374EA0#374EA0

#374EA0 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.136 H 268.7°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#374EA0
RGB	rgb(55, 78, 160)
HSL	hsl(227, 49%, 42%)
HSV	hsv(227, 66%, 63%)
CMYK	cmyk(65.6%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(35.59, 18.61, -47.25)
CIE-LCH	lch(35.59, 50.78, 291.50°)
OKLab	oklab(45.16% -0.0031 -0.1355)
OKLCH	oklch(45.16% 0.136 268.7)
XYZ	xyz(10.6429, 8.7981, 34.3882)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EA0 #A08937

analogous

#3783A0 #374EA0 #5537A0

triadic

#374EA0 #A0374E #4EA037

tetradic

#374EA0 #A03783 #A08937 #37A055

square

#374EA0 #A03783 #A08937 #37A055

split-complementary

#374EA0 #A05537 #83A037

monochromatic

#182245 #273872 #374EA0 #516AC3 #7F91D3

Accessibility & contrast

On white

7.61

#374EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#374EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EA0

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EA0	#FFFFFF	#000000	##FFFFFF
##374EA0	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)

#1F59A3

Deuteranopia (green-blind)

#004F9E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374ea0;
/* rgb */ color: rgb(55, 78, 160);
/* oklch */ color: oklch(45.2% 0.136 268.7);

Tailwind

colors: {
  custom: {
    50: '#797fbd',
    500: '#374ea0',
    950: '#000000',
  },
}

SCSS

$custom: #374ea0;
$custom-light: #797fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#374ea0",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 226.857,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45161,
    "c": 0.1355,
    "h": 268.7
  },
  "luminance": 0.08799
}

Semantic roles & 50–950 ramp

primary

#374EA0

secondary

#BCAD77

accent

#BA4FD8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #374EA0

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

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