#2B3D9B#2B3D9B

#2B3D9B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.154 H 269.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D9B
RGB	rgb(43, 61, 155)
HSL	hsl(230, 57%, 39%)
HSV	hsv(230, 72%, 61%)
CMYK	cmyk(72.3%, 60.6%, 0%, 39.2%)
CIE-LAB	lab(29.95, 26.22, -53.40)
CIE-LCH	lch(29.95, 59.49, 296.15°)
OKLab	oklab(40.63% -0.0004 -0.154)
OKLCH	oklch(40.63% 0.154 269.8)
XYZ	xyz(8.5794, 6.2168, 31.7518)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D9B #9B892B

analogous

#2B759B #2B3D9B #512B9B

triadic

#2B3D9B #9B2B3D #3D9B2B

tetradic

#2B3D9B #9B2B75 #9B892B #2B9B51

square

#2B3D9B #9B2B75 #9B892B #2B9B51

split-complementary

#2B3D9B #9B512B #759B2B

monochromatic

#10173B #1E2A6B #2B3D9B #3B51C9 #6B7CD6

Accessibility & contrast

On white

9.36

#2B3D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B3D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D9B

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D9B	#FFFFFF	#000000	##FFFFFF
##2B3D9B	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	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: #2b3d9b;
/* rgb */ color: rgb(43, 61, 155);
/* oklch */ color: oklch(40.6% 0.154 269.8);

Tailwind

colors: {
  custom: {
    50: '#7472b9',
    500: '#2b3d9b',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d9b;
$custom-light: #7472b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d9b",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 155
  },
  "hsl": {
    "h": 230.357,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4063,
    "c": 0.15405,
    "h": 269.8
  },
  "luminance": 0.06218
}

Semantic roles & 50–950 ramp

primary

#2B3D9B

secondary

#BCAE65

accent

#C748E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B3D9B

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

Preview Lab → · Contrast checker → · Palette generator →