#374BAB#374BAB

#374BAB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.155 H 270.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#374BAB
RGB	rgb(55, 75, 171)
HSL	hsl(230, 51%, 44%)
HSV	hsv(230, 68%, 67%)
CMYK	cmyk(67.8%, 56.1%, 0%, 32.9%)
CIE-LAB	lab(35.56, 24.61, -53.87)
CIE-LCH	lch(35.56, 59.23, 294.55°)
OKLab	oklab(45.39% 0.0005 -0.155)
OKLCH	oklch(45.39% 0.155 270.2)
XYZ	xyz(11.4398, 8.7836, 39.6127)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BAB #AB9737

analogous

#3785AB #374BAB #5D37AB

triadic

#374BAB #AB374B #4BAB37

tetradic

#374BAB #AB3785 #AB9737 #37AB5D

square

#374BAB #AB3785 #AB9737 #37AB5D

split-complementary

#374BAB #AB5D37 #85AB37

monochromatic

#19224E #28377D #374BAB #566AC9 #8593D8

Accessibility & contrast

On white

7.62

#374BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#374BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BAB

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BAB	#FFFFFF	#000000	##FFFFFF
##374BAB	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AE

Deuteranopia (green-blind)

#004FA9

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374bab;
/* rgb */ color: rgb(55, 75, 171);
/* oklch */ color: oklch(45.4% 0.155 270.2);

Tailwind

colors: {
  custom: {
    50: '#7c7dc5',
    500: '#374bab',
    950: '#000000',
  },
}

SCSS

$custom: #374bab;
$custom-light: #7c7dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#374bab",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 171
  },
  "hsl": {
    "h": 229.655,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45389,
    "c": 0.15499,
    "h": 270.2
  },
  "luminance": 0.08785
}

Semantic roles & 50–950 ramp

primary

#374BAB

secondary

#C1B67C

accent

#C24DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374BAB

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

Preview Lab → · Contrast checker → · Palette generator →