#2F38AB#2F38AB

#2F38AB is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.181 H 272.1°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F38AB
RGB	rgb(47, 56, 171)
HSL	hsl(236, 57%, 43%)
HSV	hsv(236, 73%, 67%)
CMYK	cmyk(72.5%, 67.3%, 0%, 32.9%)
CIE-LAB	lab(30.33, 35.82, -62.43)
CIE-LCH	lch(30.33, 71.97, 299.85°)
OKLab	oklab(41.4% 0.0066 -0.1805)
OKLCH	oklch(41.4% 0.181 272.1)
XYZ	xyz(9.9347, 6.3720, 39.2265)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F38AB #ABA22F

analogous

#2F76AB #2F38AB #642FAB

triadic

#2F38AB #AB2F38 #38AB2F

tetradic

#2F38AB #AB2F76 #ABA22F #2FAB64

square

#2F38AB #AB2F76 #ABA22F #2FAB64

split-complementary

#2F38AB #AB642F #76AB2F

monochromatic

#15194B #22287B #2F38AB #4A53CD #7A81DA

Accessibility & contrast

On white

9.23

#2F38AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F38AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F38AB

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F38AB	#FFFFFF	#000000	##FFFFFF
##2F38AB	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f38ab;
/* rgb */ color: rgb(47, 56, 171);
/* oklch */ color: oklch(41.4% 0.181 272.1);

Tailwind

colors: {
  custom: {
    50: '#7a6fc5',
    500: '#2f38ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f38ab;
$custom-light: #7a6fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f38ab",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 171
  },
  "hsl": {
    "h": 235.645,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41402,
    "c": 0.18059,
    "h": 272.1
  },
  "luminance": 0.06373
}

Semantic roles & 50–950 ramp

primary

#2F38AB

secondary

#C3BD73

accent

#D548E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F38AB

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

Preview Lab → · Contrast checker → · Palette generator →