#2F3DBC#2F3DBC

#2F3DBC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.197 H 270.6°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DBC
RGB	rgb(47, 61, 188)
HSL	hsl(234, 60%, 46%)
HSV	hsv(234, 75%, 74%)
CMYK	cmyk(75%, 67.6%, 0%, 26.3%)
CIE-LAB	lab(33.07, 38.71, -68.03)
CIE-LCH	lch(33.07, 78.27, 299.64°)
OKLab	oklab(43.88% 0.0021 -0.1968)
OKLCH	oklch(43.88% 0.197 270.6)
XYZ	xyz(11.9150, 7.5714, 48.4007)
Luminance	0.0757 (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

#2F3DBC #BCAE2F

analogous

#2F83BC #2F3DBC #682FBC

triadic

#2F3DBC #BC2F3D #3DBC2F

tetradic

#2F3DBC #BC2F83 #BCAE2F #2FBC68

square

#2F3DBC #BC2F83 #BCAE2F #2FBC68

split-complementary

#2F3DBC #BC682F #83BC2F

monochromatic

#171D5A #232D8B #2F3DBC #5461D4 #858EE0

Accessibility & contrast

On white

8.35

#2F3DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2F3DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DBC

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DBC	#FFFFFF	#000000	##FFFFFF
##2F3DBC	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C0

Deuteranopia (green-blind)

#0047BA

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f3dbc;
/* rgb */ color: rgb(47, 61, 188);
/* oklch */ color: oklch(43.9% 0.197 270.6);

Tailwind

colors: {
  custom: {
    50: '#7d73d1',
    500: '#2f3dbc',
    950: '#000000',
  },
}

SCSS

$custom: #2f3dbc;
$custom-light: #7d73d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3dbc",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 188
  },
  "hsl": {
    "h": 234.043,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43875,
    "c": 0.19683,
    "h": 270.6
  },
  "luminance": 0.07573
}

Semantic roles & 50–950 ramp

primary

#2F3DBC

secondary

#CAC27D

accent

#D345E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F3DBC

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

Preview Lab → · Contrast checker → · Palette generator →