#2B3897#2B3897

#2B3897 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.155 H 271.3°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B3897
RGB	rgb(43, 56, 151)
HSL	hsl(233, 56%, 38%)
HSV	hsv(233, 72%, 59%)
CMYK	cmyk(71.5%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(28.32, 28.06, -53.63)
CIE-LCH	lch(28.32, 60.53, 297.62°)
OKLab	oklab(39.31% 0.0035 -0.1548)
OKLCH	oklch(39.31% 0.155 271.3)
XYZ	xyz(7.9945, 5.5755, 29.9270)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3897 #978A2B

analogous

#2B6E97 #2B3897 #542B97

triadic

#2B3897 #972B38 #38972B

tetradic

#2B3897 #972B6E #978A2B #2B9754

square

#2B3897 #972B6E #978A2B #2B9754

split-complementary

#2B3897 #97542B #6E972B

monochromatic

#101538 #1D2667 #2B3897 #394AC7 #6875D4

Accessibility & contrast

On white

9.93

#2B3897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B3897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3897

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3897	#FFFFFF	#000000	##FFFFFF
##2B3897	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3897;
/* rgb */ color: rgb(43, 56, 151);
/* oklch */ color: oklch(39.3% 0.155 271.3);

Tailwind

colors: {
  custom: {
    50: '#746eb6',
    500: '#2b3897',
    950: '#000000',
  },
}

SCSS

$custom: #2b3897;
$custom-light: #746eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3897",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 232.778,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39312,
    "c": 0.15483,
    "h": 271.3
  },
  "luminance": 0.05576
}

Semantic roles & 50–950 ramp

primary

#2B3897

secondary

#BBB063

accent

#CD49DF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3897

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

Preview Lab → · Contrast checker → · Palette generator →