#2B3A99#2B3A99

#2B3A99 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.155 H 270.7°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A99
RGB	rgb(43, 58, 153)
HSL	hsl(232, 56%, 38%)
HSV	hsv(232, 72%, 60%)
CMYK	cmyk(71.9%, 62.1%, 0%, 40%)
CIE-LAB	lab(29.00, 27.47, -53.73)
CIE-LCH	lch(29.00, 60.35, 297.08°)
OKLab	oklab(39.87% 0.0019 -0.1551)
OKLCH	oklch(39.87% 0.155 270.7)
XYZ	xyz(8.2571, 5.8388, 30.8227)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A99 #998A2B

analogous

#2B7199 #2B3A99 #532B99

triadic

#2B3A99 #992B3A #3A992B

tetradic

#2B3A99 #992B71 #998A2B #2B9953

square

#2B3A99 #992B71 #998A2B #2B9953

split-complementary

#2B3A99 #99532B #71992B

monochromatic

#101639 #1E2869 #2B3A99 #3A4DC8 #6978D5

Accessibility & contrast

On white

9.69

#2B3A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2B3A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A99

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A99	#FFFFFF	#000000	##FFFFFF
##2B3A99	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3a99;
/* rgb */ color: rgb(43, 58, 153);
/* oklch */ color: oklch(39.9% 0.155 270.7);

Tailwind

colors: {
  custom: {
    50: '#7470b8',
    500: '#2b3a99',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a99;
$custom-light: #7470b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a99",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 231.818,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39873,
    "c": 0.15508,
    "h": 270.7
  },
  "luminance": 0.0584
}

Semantic roles & 50–950 ramp

primary

#2B3A99

secondary

#BCB064

accent

#CB48DF

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3A99

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

Preview Lab → · Contrast checker → · Palette generator →