#2F33BF#2F33BF

#2F33BF is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.211 H 271.8°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F33BF
RGB	rgb(47, 51, 191)
HSL	hsl(238, 61%, 47%)
HSV	hsv(238, 75%, 75%)
CMYK	cmyk(75.4%, 73.3%, 0%, 25.1%)
CIE-LAB	lab(31.19, 45.72, -72.90)
CIE-LCH	lch(31.19, 86.05, 302.10°)
OKLab	oklab(42.61% 0.0068 -0.211)
OKLCH	oklch(42.61% 0.211 271.8)
XYZ	xyz(11.7569, 6.7323, 49.9600)
Luminance	0.0673 (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

#2F33BF #BFBB2F

analogous

#2F7BBF #2F33BF #732FBF

triadic

#2F33BF #BF2F33 #33BF2F

tetradic

#2F33BF #BF2F7B #BFBB2F #2FBF73

square

#2F33BF #BF2F7B #BFBB2F #2FBF73

split-complementary

#2F33BF #BF732F #7BBF2F

monochromatic

#17195D #23268E #2F33BF #5659D5 #8789E1

Accessibility & contrast

On white

8.95

#2F33BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F33BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33BF

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33BF	#FFFFFF	#000000	##FFFFFF
##2F33BF	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C3

Deuteranopia (green-blind)

#0042BC

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f33bf;
/* rgb */ color: rgb(47, 51, 191);
/* oklch */ color: oklch(42.6% 0.211 271.8);

Tailwind

colors: {
  custom: {
    50: '#7f6cd4',
    500: '#2f33bf',
    950: '#000000',
  },
}

SCSS

$custom: #2f33bf;
$custom-light: #7f6cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33bf",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 191
  },
  "hsl": {
    "h": 238.333,
    "s": 60.504,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42608,
    "c": 0.21112,
    "h": 271.8
  },
  "luminance": 0.06734
}

Semantic roles & 50–950 ramp

primary

#2F33BF

secondary

#CBC97F

accent

#DF44E4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2F33BF

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

Preview Lab → · Contrast checker → · Palette generator →