#2B3097#2B3097

#2B3097 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.165 H 273.2°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B3097
RGB	rgb(43, 48, 151)
HSL	hsl(237, 56%, 38%)
HSV	hsv(237, 72%, 59%)
CMYK	cmyk(71.5%, 68.2%, 0%, 40.8%)
CIE-LAB	lab(26.34, 33.28, -56.87)
CIE-LCH	lch(26.34, 65.89, 300.34°)
OKLab	oklab(37.86% 0.0093 -0.1643)
OKLCH	oklch(37.86% 0.165 273.2)
XYZ	xyz(7.6373, 4.8611, 29.8080)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3097 #97922B

analogous

#2B6697 #2B3097 #5C2B97

triadic

#2B3097 #972B30 #30972B

tetradic

#2B3097 #972B66 #97922B #2B975C

square

#2B3097 #972B66 #97922B #2B975C

split-complementary

#2B3097 #975C2B #66972B

monochromatic

#101238 #1D2167 #2B3097 #393FC7 #686DD4

Accessibility & contrast

On white

10.65

#2B3097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B3097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3097

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3097	#FFFFFF	#000000	##FFFFFF
##2B3097	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439A

Deuteranopia (green-blind)

#003995

Tritanopia (blue-blind)

#004B5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3097;
/* rgb */ color: rgb(43, 48, 151);
/* oklch */ color: oklch(37.9% 0.165 273.2);

Tailwind

colors: {
  custom: {
    50: '#7469b7',
    500: '#2b3097',
    950: '#000000',
  },
}

SCSS

$custom: #2b3097;
$custom-light: #7469b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3097",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 151
  },
  "hsl": {
    "h": 237.222,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37863,
    "c": 0.1646,
    "h": 273.2
  },
  "luminance": 0.04862
}

Semantic roles & 50–950 ramp

primary

#2B3097

secondary

#BBB763

accent

#D849DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3097

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

Preview Lab → · Contrast checker → · Palette generator →