#2B3A9C#2B3A9C

#2B3A9C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.159 H 270.7°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A9C
RGB	rgb(43, 58, 156)
HSL	hsl(232, 57%, 39%)
HSV	hsv(232, 72%, 61%)
CMYK	cmyk(72.4%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(29.26, 28.59, -55.14)
CIE-LCH	lch(29.26, 62.11, 297.40°)
OKLab	oklab(40.14% 0.0019 -0.1592)
OKLCH	oklch(40.14% 0.159 270.7)
XYZ	xyz(8.5080, 5.9391, 32.1440)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A9C #9C8D2B

analogous

#2B739C #2B3A9C #552B9C

triadic

#2B3A9C #9C2B3A #3A9C2B

tetradic

#2B3A9C #9C2B73 #9C8D2B #2B9C55

square

#2B3A9C #9C2B73 #9C8D2B #2B9C55

split-complementary

#2B3A9C #9C552B #739C2B

monochromatic

#11163C #1E286C #2B3A9C #3B4EC9 #6B79D6

Accessibility & contrast

On white

9.60

#2B3A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2B3A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A9C

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A9C	#FFFFFF	#000000	##FFFFFF
##2B3A9C	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b3a9c;
/* rgb */ color: rgb(43, 58, 156);
/* oklch */ color: oklch(40.1% 0.159 270.7);

Tailwind

colors: {
  custom: {
    50: '#7570ba',
    500: '#2b3a9c',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a9c;
$custom-light: #7570ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a9c",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 232.035,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40142,
    "c": 0.15921,
    "h": 270.7
  },
  "luminance": 0.0594
}

Semantic roles & 50–950 ramp

primary

#2B3A9C

secondary

#BDB166

accent

#CC48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2B3A9C

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

Preview Lab → · Contrast checker → · Palette generator →