#2F38B0#2F38B0

#2F38B0 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.187 H 271.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F38B0
RGB	rgb(47, 56, 176)
HSL	hsl(236, 58%, 44%)
HSV	hsv(236, 73%, 69%)
CMYK	cmyk(73.3%, 68.2%, 0%, 31%)
CIE-LAB	lab(30.80, 37.59, -64.65)
CIE-LCH	lch(30.80, 74.78, 300.17°)
OKLab	oklab(41.88% 0.0061 -0.187)
OKLCH	oklch(41.88% 0.187 271.9)
XYZ	xyz(10.4203, 6.5662, 41.7841)
Luminance	0.0657 (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

#2F38B0 #B0A72F

analogous

#2F78B0 #2F38B0 #662FB0

triadic

#2F38B0 #B02F38 #38B02F

tetradic

#2F38B0 #B02F78 #B0A72F #2FB066

square

#2F38B0 #B02F78 #B0A72F #2FB066

split-complementary

#2F38B0 #B0662F #78B02F

monochromatic

#15194F #222980 #2F38B0 #4D56CF #7D84DC

Accessibility & contrast

On white

9.08

#2F38B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F38B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F38B0

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F38B0	#FFFFFF	#000000	##FFFFFF
##2F38B0	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB4

Deuteranopia (green-blind)

#0042AE

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f38b0;
/* rgb */ color: rgb(47, 56, 176);
/* oklch */ color: oklch(41.9% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#7b6fc9',
    500: '#2f38b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f38b0;
$custom-light: #7b6fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f38b0",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 176
  },
  "hsl": {
    "h": 235.814,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41882,
    "c": 0.18707,
    "h": 271.9
  },
  "luminance": 0.06567
}

Semantic roles & 50–950 ramp

primary

#2F38B0

secondary

#C5BF76

accent

#D647E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F38B0

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

Preview Lab → · Contrast checker → · Palette generator →