#374F9C#374F9C

#374F9C is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.128 H 268.0°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#374F9C
RGB	rgb(55, 79, 156)
HSL	hsl(226, 48%, 41%)
HSV	hsv(226, 65%, 61%)
CMYK	cmyk(64.7%, 49.4%, 0%, 38.8%)
CIE-LAB	lab(35.60, 16.49, -44.82)
CIE-LCH	lch(35.60, 47.76, 290.20°)
OKLab	oklab(45.08% -0.0046 -0.1283)
OKLCH	oklch(45.08% 0.128 268)
XYZ	xyz(10.3702, 8.8036, 32.5988)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374F9C #9C8437

analogous

#37829C #374F9C #52379C

triadic

#374F9C #9C374F #4F9C37

tetradic

#374F9C #9C3782 #9C8437 #379C52

square

#374F9C #9C3782 #9C8437 #379C52

split-complementary

#374F9C #9C5237 #829C37

monochromatic

#172142 #27386F #374F9C #4F6AC1 #7C91D1

Accessibility & contrast

On white

7.61

#374F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#374F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F9C

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374F9C	#FFFFFF	#000000	##FFFFFF
##374F9C	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)

#27599F

Deuteranopia (green-blind)

#114F9A

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374f9c;
/* rgb */ color: rgb(55, 79, 156);
/* oklch */ color: oklch(45.1% 0.128 268.0);

Tailwind

colors: {
  custom: {
    50: '#787fba',
    500: '#374f9c',
    950: '#000000',
  },
}

SCSS

$custom: #374f9c;
$custom-light: #787fba;
$custom-dark: #000000;

JSON

{
  "hex": "#374f9c",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 156
  },
  "hsl": {
    "h": 225.743,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45083,
    "c": 0.1284,
    "h": 268
  },
  "luminance": 0.08804
}

Semantic roles & 50–950 ramp

primary

#374F9C

secondary

#BAAA75

accent

#B750D7

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #374F9C

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

Preview Lab → · Contrast checker → · Palette generator →