#374BA7#374BA7

#374BA7 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.149 H 270.1°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#374BA7
RGB	rgb(55, 75, 167)
HSL	hsl(229, 50%, 44%)
HSV	hsv(229, 67%, 65%)
CMYK	cmyk(67.1%, 55.1%, 0%, 34.5%)
CIE-LAB	lab(35.27, 23.15, -51.96)
CIE-LCH	lch(35.27, 56.89, 294.01°)
OKLab	oklab(45.07% 0.0003 -0.1494)
OKLCH	oklch(45.07% 0.149 270.1)
XYZ	xyz(11.0643, 8.6334, 37.6350)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BA7 #A79337

analogous

#3783A7 #374BA7 #5B37A7

triadic

#374BA7 #A7374B #4BA737

tetradic

#374BA7 #A73783 #A79337 #37A75B

square

#374BA7 #A73783 #A79337 #37A75B

split-complementary

#374BA7 #A75B37 #83A737

monochromatic

#19224B #283679 #374BA7 #5469C7 #8291D6

Accessibility & contrast

On white

7.70

#374BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#374BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BA7

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BA7	#FFFFFF	#000000	##FFFFFF
##374BA7	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0258AA

Deuteranopia (green-blind)

#004EA5

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374ba7;
/* rgb */ color: rgb(55, 75, 167);
/* oklch */ color: oklch(45.1% 0.149 270.1);

Tailwind

colors: {
  custom: {
    50: '#7b7dc2',
    500: '#374ba7',
    950: '#000000',
  },
}

SCSS

$custom: #374ba7;
$custom-light: #7b7dc2;
$custom-dark: #000000;

JSON

{
  "hex": "#374ba7",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 167
  },
  "hsl": {
    "h": 229.286,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45074,
    "c": 0.14938,
    "h": 270.1
  },
  "luminance": 0.08634
}

Semantic roles & 50–950 ramp

primary

#374BA7

secondary

#C0B37A

accent

#C14EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374BA7

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

Preview Lab → · Contrast checker → · Palette generator →