#3724A7#3724A7

#3724A7 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.6% C 0.195 H 278.7°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#3724A7
RGB	rgb(55, 36, 167)
HSL	hsl(249, 65%, 40%)
HSV	hsv(249, 78%, 65%)
CMYK	cmyk(67.1%, 78.4%, 0%, 34.5%)
CIE-LAB	lab(26.34, 46.89, -66.57)
CIE-LCH	lch(26.34, 81.43, 305.16°)
OKLab	oklab(38.58% 0.0294 -0.1923)
OKLCH	oklch(38.58% 0.195 278.7)
XYZ	xyz(9.1792, 4.8632, 37.0067)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724A7 #94A724

analogous

#2453A7 #3724A7 #7824A7

triadic

#3724A7 #A73724 #24A737

tetradic

#3724A7 #A72453 #94A724 #24A778

square

#3724A7 #A72453 #94A724 #24A778

split-complementary

#3724A7 #A77824 #53A724

monochromatic

#160E42 #261975 #3724A7 #4C35D3 #7867DE

Accessibility & contrast

On white

10.64

#3724A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3724A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A7

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724A7	#FFFFFF	#000000	##FFFFFF
##3724A7	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AB

Deuteranopia (green-blind)

#0039A5

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3724a7;
/* rgb */ color: rgb(55, 36, 167);
/* oklch */ color: oklch(38.6% 0.195 278.7);

Tailwind

colors: {
  custom: {
    50: '#7e62c2',
    500: '#3724a7',
    950: '#000000',
  },
}

SCSS

$custom: #3724a7;
$custom-light: #7e62c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3724a7",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 167
  },
  "hsl": {
    "h": 248.702,
    "s": 64.532,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38577,
    "c": 0.1945,
    "h": 278.7
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#3724A7

secondary

#B6C463

accent

#E840CF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3724A7

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

Preview Lab → · Contrast checker → · Palette generator →