#2F43BC#2F43BC

#2F43BC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.190 H 269.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F43BC
RGB	rgb(47, 67, 188)
HSL	hsl(231, 60%, 46%)
HSV	hsv(231, 75%, 74%)
CMYK	cmyk(75%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(34.49, 34.94, -65.70)
CIE-LCH	lch(34.49, 74.41, 298.00°)
OKLab	oklab(44.91% -0.0015 -0.19)
OKLCH	oklch(44.91% 0.19 269.6)
XYZ	xyz(12.2534, 8.2482, 48.5135)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43BC #BCA82F

analogous

#2F89BC #2F43BC #612FBC

triadic

#2F43BC #BC2F43 #43BC2F

tetradic

#2F43BC #BC2F89 #BCA82F #2FBC61

square

#2F43BC #BC2F89 #BCA82F #2FBC61

split-complementary

#2F43BC #BC612F #89BC2F

monochromatic

#17205A #23328B #2F43BC #5466D4 #8592E0

Accessibility & contrast

On white

7.93

#2F43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2F43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43BC

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43BC	#FFFFFF	#000000	##FFFFFF
##2F43BC	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f43bc;
/* rgb */ color: rgb(47, 67, 188);
/* oklch */ color: oklch(44.9% 0.190 269.6);

Tailwind

colors: {
  custom: {
    50: '#7d77d1',
    500: '#2f43bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f43bc;
$custom-light: #7d77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43bc",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 231.489,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44913,
    "c": 0.18998,
    "h": 269.6
  },
  "luminance": 0.08249
}

Semantic roles & 50–950 ramp

primary

#2F43BC

secondary

#CABF7D

accent

#CD45E3

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F43BC

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

Preview Lab → · Contrast checker → · Palette generator →