#2F33A0#2F33A0

#2F33A0 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.172 H 273.7°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#2F33A0
RGB	rgb(47, 51, 160)
HSL	hsl(238, 55%, 41%)
HSV	hsv(238, 71%, 63%)
CMYK	cmyk(70.6%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(28.14, 35.08, -59.39)
CIE-LCH	lch(28.14, 68.98, 300.56°)
OKLab	oklab(39.5% 0.011 -0.1716)
OKLCH	oklch(39.5% 0.172 273.7)
XYZ	xyz(8.6992, 5.5092, 33.8558)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33A0 #A09C2F

analogous

#2F6BA0 #2F33A0 #632FA0

triadic

#2F33A0 #A02F33 #33A02F

tetradic

#2F33A0 #A02F6B #A09C2F #2FA063

square

#2F33A0 #A02F6B #A09C2F #2FA063

split-complementary

#2F33A0 #A0632F #6BA02F

monochromatic

#131541 #212471 #2F33A0 #4449C8 #7377D6

Accessibility & contrast

On white

9.99

#2F33A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F33A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33A0

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33A0	#FFFFFF	#000000	##FFFFFF
##2F33A0	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A3

Deuteranopia (green-blind)

#003D9E

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f33a0;
/* rgb */ color: rgb(47, 51, 160);
/* oklch */ color: oklch(39.5% 0.172 273.7);

Tailwind

colors: {
  custom: {
    50: '#786bbd',
    500: '#2f33a0',
    950: '#000000',
  },
}

SCSS

$custom: #2f33a0;
$custom-light: #786bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33a0",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 237.876,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39497,
    "c": 0.17196,
    "h": 273.7
  },
  "luminance": 0.0551
}

Semantic roles & 50–950 ramp

primary

#2F33A0

secondary

#BEBB6D

accent

#D94ADE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F33A0

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

Preview Lab → · Contrast checker → · Palette generator →