#2B2971#2B2971

#2B2971 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.121 H 278.7°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B2971
RGB	rgb(43, 41, 113)
HSL	hsl(242, 47%, 30%)
HSV	hsv(242, 64%, 44%)
CMYK	cmyk(61.9%, 63.7%, 0%, 55.7%)
CIE-LAB	lab(21.18, 24.18, -41.45)
CIE-LCH	lch(21.18, 47.99, 300.25°)
OKLab	oklab(33.04% 0.0183 -0.1191)
OKLCH	oklch(33.04% 0.121 278.7)
XYZ	xyz(4.7689, 3.2914, 16.0036)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2971 #6F7129

analogous

#294B71 #2B2971 #4F2971

triadic

#2B2971 #712B29 #29712B

tetradic

#2B2971 #71294B #6F7129 #29714F

square

#2B2971 #71294B #6F7129 #29714F

split-complementary

#2B2971 #714F29 #4B7129

monochromatic

#090817 #1A1944 #2B2971 #3C399E #5754C1

Accessibility & contrast

On white

12.66

#2B2971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2B2971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2971

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2971	#FFFFFF	#000000	##FFFFFF
##2B2971	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#003B48

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b2971;
/* rgb */ color: rgb(43, 41, 113);
/* oklch */ color: oklch(33.0% 0.121 278.7);

Tailwind

colors: {
  custom: {
    50: '#6c639a',
    500: '#2b2971',
    950: '#000000',
  },
}

SCSS

$custom: #2b2971;
$custom-light: #6c639a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2971",
  "rgb": {
    "r": 43,
    "g": 41,
    "b": 113
  },
  "hsl": {
    "h": 241.667,
    "s": 46.753,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33037,
    "c": 0.12055,
    "h": 278.7
  },
  "luminance": 0.03292
}

Semantic roles & 50–950 ramp

primary

#2B2971

secondary

#A1A353

accent

#D651D3

background

#F6F5F9

surface

#ECEAF2

border

#C7C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #2B2971

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

Preview Lab → · Contrast checker → · Palette generator →