#2B3F9E#2B3F9E

#2B3F9E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.156 H 269.3°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B3F9E
RGB	rgb(43, 63, 158)
HSL	hsl(230, 57%, 39%)
HSV	hsv(230, 73%, 62%)
CMYK	cmyk(72.8%, 60.1%, 0%, 38%)
CIE-LAB	lab(30.73, 26.01, -53.96)
CIE-LCH	lch(30.73, 59.90, 295.73°)
OKLab	oklab(41.28% -0.002 -0.1557)
OKLCH	oklch(41.28% 0.156 269.3)
XYZ	xyz(8.9432, 6.5363, 33.1314)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3F9E #9E8A2B

analogous

#2B799E #2B3F9E #512B9E

triadic

#2B3F9E #9E2B3F #3F9E2B

tetradic

#2B3F9E #9E2B79 #9E8A2B #2B9E51

square

#2B3F9E #9E2B79 #9E8A2B #2B9E51

split-complementary

#2B3F9E #9E512B #799E2B

monochromatic

#11193E #1E2C6E #2B3F9E #3C55CA #6C7FD7

Accessibility & contrast

On white

9.10

#2B3F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2B3F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3F9E

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3F9E	#FFFFFF	#000000	##FFFFFF
##2B3F9E	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3f9e;
/* rgb */ color: rgb(43, 63, 158);
/* oklch */ color: oklch(41.3% 0.156 269.3);

Tailwind

colors: {
  custom: {
    50: '#7573bb',
    500: '#2b3f9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3f9e;
$custom-light: #7573bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3f9e",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 158
  },
  "hsl": {
    "h": 229.565,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41283,
    "c": 0.15568,
    "h": 269.3
  },
  "luminance": 0.06537
}

Semantic roles & 50–950 ramp

primary

#2B3F9E

secondary

#BEAF67

accent

#C647E0

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B3F9E

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

Preview Lab → · Contrast checker → · Palette generator →