#2B2F9B#2B2F9B

#2B2F9B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.1% C 0.171 H 273.2°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2B2F9B
RGB	rgb(43, 47, 155)
HSL	hsl(238, 57%, 39%)
HSV	hsv(238, 72%, 61%)
CMYK	cmyk(72.3%, 69.7%, 0%, 39.2%)
CIE-LAB	lab(26.48, 35.34, -59.08)
CIE-LCH	lch(26.48, 68.84, 300.89°)
OKLab	oklab(38.09% 0.0095 -0.1708)
OKLCH	oklch(38.09% 0.171 273.2)
XYZ	xyz(7.9272, 4.9124, 31.5344)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2F9B #9B972B

analogous

#2B679B #2B2F9B #5F2B9B

triadic

#2B2F9B #9B2B2F #2F9B2B

tetradic

#2B2F9B #9B2B67 #9B972B #2B9B5F

square

#2B2F9B #9B2B67 #9B972B #2B9B5F

split-complementary

#2B2F9B #9B5F2B #679B2B

monochromatic

#10123B #1E206B #2B2F9B #3B40C9 #6B6ED6

Accessibility & contrast

On white

10.59

#2B2F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B2F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2F9B

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2F9B	#FFFFFF	#000000	##FFFFFF
##2B2F9B	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b2f9b;
/* rgb */ color: rgb(43, 47, 155);
/* oklch */ color: oklch(38.1% 0.171 273.2);

Tailwind

colors: {
  custom: {
    50: '#7568ba',
    500: '#2b2f9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b2f9b;
$custom-light: #7568ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2f9b",
  "rgb": {
    "r": 43,
    "g": 47,
    "b": 155
  },
  "hsl": {
    "h": 237.857,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38087,
    "c": 0.17106,
    "h": 273.2
  },
  "luminance": 0.04913
}

Semantic roles & 50–950 ramp

primary

#2B2F9B

secondary

#BCB965

accent

#DA48E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B2F9B

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

Preview Lab → · Contrast checker → · Palette generator →