#2F33AA#2F33AA

#2F33AA is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.185 H 273.0°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F33AA
RGB	rgb(47, 51, 170)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 72%, 67%)
CMYK	cmyk(72.4%, 70%, 0%, 33.3%)
CIE-LAB	lab(29.09, 38.57, -63.87)
CIE-LCH	lch(29.09, 74.61, 301.13°)
OKLab	oklab(40.47% 0.0098 -0.1847)
OKLCH	oklch(40.47% 0.185 273)
XYZ	xyz(9.6094, 5.8733, 38.6497)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33AA #AAA62F

analogous

#2F70AA #2F33AA #692FAA

triadic

#2F33AA #AA2F33 #33AA2F

tetradic

#2F33AA #AA2F70 #AAA62F #2FAA69

square

#2F33AA #AA2F70 #AAA62F #2FAA69

split-complementary

#2F33AA #AA692F #70AA2F

monochromatic

#14164A #22257A #2F33AA #494ECD #797CDA

Accessibility & contrast

On white

9.66

#2F33AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2F33AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33AA

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33AA	#FFFFFF	#000000	##FFFFFF
##2F33AA	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#003FA8

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f33aa;
/* rgb */ color: rgb(47, 51, 170);
/* oklch */ color: oklch(40.5% 0.185 273.0);

Tailwind

colors: {
  custom: {
    50: '#7a6bc4',
    500: '#2f33aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f33aa;
$custom-light: #7a6bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33aa",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 238.049,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40474,
    "c": 0.18494,
    "h": 273
  },
  "luminance": 0.05874
}

Semantic roles & 50–950 ramp

primary

#2F33AA

secondary

#C2C072

accent

#DB48E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F33AA

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

Preview Lab → · Contrast checker → · Palette generator →