#374DA7#374DA7

#374DA7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.147 H 269.4°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#374DA7
RGB	rgb(55, 77, 167)
HSL	hsl(228, 50%, 44%)
HSV	hsv(228, 67%, 65%)
CMYK	cmyk(67.1%, 53.9%, 0%, 34.5%)
CIE-LAB	lab(35.81, 21.83, -51.09)
CIE-LCH	lch(35.81, 55.56, 293.14°)
OKLab	oklab(45.48% -0.0015 -0.1468)
OKLCH	oklch(45.48% 0.147 269.4)
XYZ	xyz(11.2021, 8.9090, 37.6810)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DA7 #A79137

analogous

#3785A7 #374DA7 #5937A7

triadic

#374DA7 #A7374D #4DA737

tetradic

#374DA7 #A73785 #A79137 #37A759

square

#374DA7 #A73785 #A79137 #37A759

split-complementary

#374DA7 #A75937 #85A737

monochromatic

#19234B #283879 #374DA7 #546BC7 #8293D6

Accessibility & contrast

On white

7.55

#374DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#374DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DA7

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DA7	#FFFFFF	#000000	##FFFFFF
##374DA7	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5AAA

Deuteranopia (green-blind)

#004FA5

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374da7;
/* rgb */ color: rgb(55, 77, 167);
/* oklch */ color: oklch(45.5% 0.147 269.4);

Tailwind

colors: {
  custom: {
    50: '#7b7ec2',
    500: '#374da7',
    950: '#000000',
  },
}

SCSS

$custom: #374da7;
$custom-light: #7b7ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#374da7",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 167
  },
  "hsl": {
    "h": 228.214,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4548,
    "c": 0.14679,
    "h": 269.4
  },
  "luminance": 0.0891
}

Semantic roles & 50–950 ramp

primary

#374DA7

secondary

#C0B27A

accent

#BE4EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374DA7

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

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