#2F3CBC#2F3CBC

#2F3CBC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.198 H 270.8°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CBC
RGB	rgb(47, 60, 188)
HSL	hsl(234, 60%, 46%)
HSV	hsv(234, 75%, 74%)
CMYK	cmyk(75%, 68.1%, 0%, 26.3%)
CIE-LAB	lab(32.84, 39.33, -68.40)
CIE-LCH	lch(32.84, 78.91, 299.90°)
OKLab	oklab(43.71% 0.0026 -0.1979)
OKLCH	oklch(43.71% 0.198 270.8)
XYZ	xyz(11.8622, 7.4656, 48.3830)
Luminance	0.0747 (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

#2F3CBC #BCAF2F

analogous

#2F82BC #2F3CBC #682FBC

triadic

#2F3CBC #BC2F3C #3CBC2F

tetradic

#2F3CBC #BC2F82 #BCAF2F #2FBC68

square

#2F3CBC #BC2F82 #BCAF2F #2FBC68

split-complementary

#2F3CBC #BC682F #82BC2F

monochromatic

#171D5A #232C8B #2F3CBC #5460D4 #858DE0

Accessibility & contrast

On white

8.42

#2F3CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2F3CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CBC

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CBC	#FFFFFF	#000000	##FFFFFF
##2F3CBC	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0047BA

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f3cbc;
/* rgb */ color: rgb(47, 60, 188);
/* oklch */ color: oklch(43.7% 0.198 270.8);

Tailwind

colors: {
  custom: {
    50: '#7d72d1',
    500: '#2f3cbc',
    950: '#000000',
  },
}

SCSS

$custom: #2f3cbc;
$custom-light: #7d72d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3cbc",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 188
  },
  "hsl": {
    "h": 234.468,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43709,
    "c": 0.19794,
    "h": 270.8
  },
  "luminance": 0.07467
}

Semantic roles & 50–950 ramp

primary

#2F3CBC

secondary

#CAC37D

accent

#D545E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F3CBC

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

Preview Lab → · Contrast checker → · Palette generator →