#2F42BC#2F42BC

#2F42BC is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.191 H 269.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F42BC
RGB	rgb(47, 66, 188)
HSL	hsl(232, 60%, 46%)
HSV	hsv(232, 75%, 74%)
CMYK	cmyk(75%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(34.25, 35.57, -66.09)
CIE-LCH	lch(34.25, 75.06, 298.29°)
OKLab	oklab(44.74% -0.0009 -0.1911)
OKLCH	oklch(44.74% 0.191 269.7)
XYZ	xyz(12.1945, 8.1303, 48.4938)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F42BC #BCA92F

analogous

#2F88BC #2F42BC #622FBC

triadic

#2F42BC #BC2F42 #42BC2F

tetradic

#2F42BC #BC2F88 #BCA92F #2FBC62

square

#2F42BC #BC2F88 #BCA92F #2FBC62

split-complementary

#2F42BC #BC622F #88BC2F

monochromatic

#17205A #23318B #2F42BC #5465D4 #8591E0

Accessibility & contrast

On white

8.00

#2F42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2F42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F42BC

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F42BC	#FFFFFF	#000000	##FFFFFF
##2F42BC	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f42bc;
/* rgb */ color: rgb(47, 66, 188);
/* oklch */ color: oklch(44.7% 0.191 269.7);

Tailwind

colors: {
  custom: {
    50: '#7d76d1',
    500: '#2f42bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f42bc;
$custom-light: #7d76d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f42bc",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 231.915,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44736,
    "c": 0.19114,
    "h": 269.7
  },
  "luminance": 0.08132
}

Semantic roles & 50–950 ramp

primary

#2F42BC

secondary

#CAC07D

accent

#CE45E3

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F42BC

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

Preview Lab → · Contrast checker → · Palette generator →