#2F38B3#2F38B3

#2F38B3 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.191 H 271.7°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2F38B3
RGB	rgb(47, 56, 179)
HSL	hsl(236, 58%, 44%)
HSV	hsv(236, 74%, 70%)
CMYK	cmyk(73.7%, 68.7%, 0%, 29.8%)
CIE-LAB	lab(31.08, 38.64, -65.97)
CIE-LCH	lch(31.08, 76.46, 300.36°)
OKLab	oklab(42.17% 0.0058 -0.1908)
OKLCH	oklch(42.17% 0.191 271.7)
XYZ	xyz(10.7204, 6.6862, 43.3647)
Luminance	0.0669 (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

#2F38B3 #B3AA2F

analogous

#2F7AB3 #2F38B3 #682FB3

triadic

#2F38B3 #B32F38 #38B32F

tetradic

#2F38B3 #B32F7A #B3AA2F #2FB368

square

#2F38B3 #B32F7A #B3AA2F #2FB368

split-complementary

#2F38B3 #B3682F #7AB32F

monochromatic

#161A52 #222983 #2F38B3 #4F57D1 #7F85DD

Accessibility & contrast

On white

8.98

#2F38B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2F38B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F38B3

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F38B3	#FFFFFF	#000000	##FFFFFF
##2F38B3	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f38b3;
/* rgb */ color: rgb(47, 56, 179);
/* oklch */ color: oklch(42.2% 0.191 271.7);

Tailwind

colors: {
  custom: {
    50: '#7c6fcb',
    500: '#2f38b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f38b3;
$custom-light: #7c6fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f38b3",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 179
  },
  "hsl": {
    "h": 235.909,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42174,
    "c": 0.19092,
    "h": 271.7
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary

#2F38B3

secondary

#C6C178

accent

#D746E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F38B3

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

Preview Lab → · Contrast checker → · Palette generator →