#2B3E9B#2B3E9B

#2B3E9B is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.153 H 269.5°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E9B
RGB	rgb(43, 62, 155)
HSL	hsl(230, 57%, 39%)
HSV	hsv(230, 72%, 61%)
CMYK	cmyk(72.3%, 60%, 0%, 39.2%)
CIE-LAB	lab(30.22, 25.55, -52.97)
CIE-LCH	lch(30.22, 58.81, 295.75°)
OKLab	oklab(40.83% -0.0012 -0.1528)
OKLCH	oklch(40.83% 0.153 269.5)
XYZ	xyz(8.6333, 6.3245, 31.7698)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E9B #9B882B

analogous

#2B769B #2B3E9B #502B9B

triadic

#2B3E9B #9B2B3E #3E9B2B

tetradic

#2B3E9B #9B2B76 #9B882B #2B9B50

square

#2B3E9B #9B2B76 #9B882B #2B9B50

split-complementary

#2B3E9B #9B502B #769B2B

monochromatic

#10183B #1E2B6B #2B3E9B #3B53C9 #6B7DD6

Accessibility & contrast

On white

9.27

#2B3E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B3E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E9B

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E9B	#FFFFFF	#000000	##FFFFFF
##2B3E9B	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004299

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3e9b;
/* rgb */ color: rgb(43, 62, 155);
/* oklch */ color: oklch(40.8% 0.153 269.5);

Tailwind

colors: {
  custom: {
    50: '#7473b9',
    500: '#2b3e9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e9b;
$custom-light: #7473b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e9b",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 155
  },
  "hsl": {
    "h": 229.821,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40826,
    "c": 0.15278,
    "h": 269.5
  },
  "luminance": 0.06325
}

Semantic roles & 50–950 ramp

primary

#2B3E9B

secondary

#BCAE65

accent

#C648E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B3E9B

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

Preview Lab → · Contrast checker → · Palette generator →