#2B3C9E#2B3C9E

#2B3C9E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.159 H 270.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C9E
RGB	rgb(43, 60, 158)
HSL	hsl(231, 57%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(72.8%, 62%, 0%, 38%)
CIE-LAB	lab(29.94, 28.01, -55.23)
CIE-LCH	lch(29.94, 61.93, 296.89°)
OKLab	oklab(40.7% 0.0003 -0.1595)
OKLCH	oklch(40.7% 0.159 270.1)
XYZ	xyz(8.7816, 6.2130, 33.0776)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C9E #9E8D2B

analogous

#2B769E #2B3C9E #532B9E

triadic

#2B3C9E #9E2B3C #3C9E2B

tetradic

#2B3C9E #9E2B76 #9E8D2B #2B9E53

square

#2B3C9E #9E2B76 #9E8D2B #2B9E53

split-complementary

#2B3C9E #9E532B #769E2B

monochromatic

#11173E #1E2A6E #2B3C9E #3C51CA #6C7CD7

Accessibility & contrast

On white

9.36

#2B3C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B3C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C9E

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C9E	#FFFFFF	#000000	##FFFFFF
##2B3C9E	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)

#004CA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3c9e;
/* rgb */ color: rgb(43, 60, 158);
/* oklch */ color: oklch(40.7% 0.159 270.1);

Tailwind

colors: {
  custom: {
    50: '#7571bb',
    500: '#2b3c9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c9e;
$custom-light: #7571bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c9e",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 158
  },
  "hsl": {
    "h": 231.13,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40702,
    "c": 0.15946,
    "h": 270.1
  },
  "luminance": 0.06214
}

Semantic roles & 50–950 ramp

primary

#2B3C9E

secondary

#BEB167

accent

#CA47E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3C9E

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

Preview Lab → · Contrast checker → · Palette generator →