#2F2F7B#2F2F7B

#2F2F7B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.126 H 277.8°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F2F7B
RGB	rgb(47, 47, 123)
HSL	hsl(240, 45%, 33%)
HSV	hsv(240, 62%, 48%)
CMYK	cmyk(61.8%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(23.89, 24.48, -43.41)
CIE-LCH	lch(23.89, 49.83, 299.42°)
OKLab	oklab(35.38% 0.0171 -0.1247)
OKLCH	oklch(35.38% 0.126 277.8)
XYZ	xyz(5.7628, 4.0670, 19.2164)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2F7B #7B7B2F

analogous

#2F557B #2F2F7B #552F7B

triadic

#2F2F7B #7B2F2F #2F7B2F

tetradic

#2F2F7B #7B2F55 #7B7B2F #2F7B55

square

#2F2F7B #7B2F55 #7B7B2F #2F7B55

split-complementary

#2F2F7B #7B552F #557B2F

monochromatic

#0D0D22 #1E1E4F #2F2F7B #4040A7 #6262C3

Accessibility & contrast

On white

11.58

#2F2F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2F2F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2F7B

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2F7B	#FFFFFF	#000000	##FFFFFF
##2F2F7B	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7E

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f2f7b;
/* rgb */ color: rgb(47, 47, 123);
/* oklch */ color: oklch(35.4% 0.126 277.8);

Tailwind

colors: {
  custom: {
    50: '#7067a2',
    500: '#2f2f7b',
    950: '#000000',
  },
}

SCSS

$custom: #2f2f7b;
$custom-light: #7067a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2f7b",
  "rgb": {
    "r": 47,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 240,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35381,
    "c": 0.1259,
    "h": 277.8
  },
  "luminance": 0.04067
}

Semantic roles & 50–950 ramp

primary

#2F2F7B

secondary

#AAAA5C

accent

#D453D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F2F7B

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

Preview Lab → · Contrast checker → · Palette generator →