#2B3B97#2B3B97

#2B3B97 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.151 H 270.4°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B3B97
RGB	rgb(43, 59, 151)
HSL	hsl(231, 56%, 38%)
HSV	hsv(231, 72%, 59%)
CMYK	cmyk(71.5%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(29.10, 26.06, -52.36)
CIE-LCH	lch(29.10, 58.48, 296.46°)
OKLab	oklab(39.89% 0.0012 -0.151)
OKLCH	oklch(39.89% 0.151 270.4)
XYZ	xyz(8.1442, 5.8751, 29.9770)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3B97 #97872B

analogous

#2B7197 #2B3B97 #512B97

triadic

#2B3B97 #972B3B #3B972B

tetradic

#2B3B97 #972B71 #97872B #2B9751

square

#2B3B97 #972B71 #97872B #2B9751

split-complementary

#2B3B97 #97512B #71972B

monochromatic

#101638 #1D2867 #2B3B97 #394EC7 #6878D4

Accessibility & contrast

On white

9.65

#2B3B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2B3B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3B97

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3B97	#FFFFFF	#000000	##FFFFFF
##2B3B97	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b3b97;
/* rgb */ color: rgb(43, 59, 151);
/* oklch */ color: oklch(39.9% 0.151 270.4);

Tailwind

colors: {
  custom: {
    50: '#7370b6',
    500: '#2b3b97',
    950: '#000000',
  },
}

SCSS

$custom: #2b3b97;
$custom-light: #7370b6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3b97",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 231.111,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.3989,
    "c": 0.15102,
    "h": 270.4
  },
  "luminance": 0.05876
}

Semantic roles & 50–950 ramp

primary

#2B3B97

secondary

#BBAE63

accent

#C949DF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3B97

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

Preview Lab → · Contrast checker → · Palette generator →