#3744A2#3744A2

#3744A2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.151 H 272.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3744A2
RGB	rgb(55, 68, 162)
HSL	hsl(233, 49%, 43%)
HSV	hsv(233, 66%, 64%)
CMYK	cmyk(66%, 58%, 0%, 36.5%)
CIE-LAB	lab(33.04, 25.95, -52.59)
CIE-LCH	lch(33.04, 58.64, 296.26°)
OKLab	oklab(43.29% 0.0065 -0.1513)
OKLCH	oklch(43.29% 0.151 272.5)
XYZ	xyz(10.1621, 7.5542, 35.0980)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3744A2 #A29537

analogous

#377AA2 #3744A2 #5F37A2

triadic

#3744A2 #A23744 #44A237

tetradic

#3744A2 #A2377A #A29537 #37A25F

square

#3744A2 #A2377A #A29537 #37A25F

split-complementary

#3744A2 #A25F37 #7AA237

monochromatic

#181E47 #273174 #3744A2 #5260C4 #808AD4

Accessibility & contrast

On white

8.36

#3744A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3744A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744A2

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3744A2	#FFFFFF	#000000	##FFFFFF
##3744A2	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A5

Deuteranopia (green-blind)

#0049A0

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3744a2;
/* rgb */ color: rgb(55, 68, 162);
/* oklch */ color: oklch(43.3% 0.151 272.5);

Tailwind

colors: {
  custom: {
    50: '#7a77be',
    500: '#3744a2',
    950: '#000000',
  },
}

SCSS

$custom: #3744a2;
$custom-light: #7a77be;
$custom-dark: #000000;

JSON

{
  "hex": "#3744a2",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 162
  },
  "hsl": {
    "h": 232.71,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43285,
    "c": 0.15144,
    "h": 272.5
  },
  "luminance": 0.07555
}

Semantic roles & 50–950 ramp

primary

#3744A2

secondary

#BDB578

accent

#C84FD9

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3744A2

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

Preview Lab → · Contrast checker → · Palette generator →