#2F42E8#2F42E8

#2F42E8 is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 49.0% C 0.245 H 268.9°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#2F42E8
RGB	rgb(47, 66, 232)
HSL	hsl(234, 80%, 55%)
HSV	hsv(234, 80%, 91%)
CMYK	cmyk(79.7%, 71.6%, 0%, 9%)
CIE-LAB	lab(38.42, 50.86, -84.66)
CIE-LCH	lch(38.42, 98.76, 301.00°)
OKLab	oklab(49.01% -0.0049 -0.2453)
OKLCH	oklch(49.01% 0.245 268.9)
XYZ	xyz(17.6810, 10.3249, 77.3893)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F42E8 #E8D52F

analogous

#2F9EE8 #2F42E8 #792FE8

triadic

#2F42E8 #E82F42 #42E82F

tetradic

#2F42E8 #E82F9E #E8D52F #2FE879

square

#2F42E8 #E82F9E #E8D52F #2FE879

split-complementary

#2F42E8 #E8792F #9EE82F

monochromatic

#101C8D #1628C4 #2F42E8 #6674EE #9DA6F4

Accessibility & contrast

On white

6.85

#2F42E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2F42E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F42E8

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F42E8	#FFFFFF	#000000	##FFFFFF
##2F42E8	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064ED

Deuteranopia (green-blind)

#0051E5

Tritanopia (blue-blind)

#007291

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f42e8;
/* rgb */ color: rgb(47, 66, 232);
/* oklch */ color: oklch(49.0% 0.245 268.9);

Tailwind

colors: {
  custom: {
    50: '#8777f1',
    500: '#2f42e8',
    950: '#000000',
  },
}

SCSS

$custom: #2f42e8;
$custom-light: #8777f1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f42e8",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 232
  },
  "hsl": {
    "h": 233.838,
    "s": 80.087,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49011,
    "c": 0.24535,
    "h": 268.9
  },
  "luminance": 0.10327
}

Semantic roles & 50–950 ramp

primary

#2F42E8

secondary

#E0D892

accent

#E231F7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #2F42E8

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

Preview Lab → · Contrast checker → · Palette generator →