#2B3AA1#2B3AA1

#2B3AA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.6% C 0.166 H 270.6°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AA1
RGB	rgb(43, 58, 161)
HSL	hsl(232, 58%, 40%)
HSV	hsv(232, 73%, 63%)
CMYK	cmyk(73.3%, 64%, 0%, 36.9%)
CIE-LAB	lab(29.69, 30.44, -57.46)
CIE-LCH	lch(29.69, 65.02, 297.91°)
OKLab	oklab(40.6% 0.0017 -0.166)
OKLCH	oklch(40.6% 0.166 270.6)
XYZ	xyz(8.9401, 6.1120, 34.4199)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3AA1 #A1922B

analogous

#2B75A1 #2B3AA1 #572BA1

triadic

#2B3AA1 #A12B3A #3AA12B

tetradic

#2B3AA1 #A12B75 #A1922B #2BA157

square

#2B3AA1 #A12B75 #A1922B #2BA157

split-complementary

#2B3AA1 #A1572B #75A12B

monochromatic

#111740 #1E2971 #2B3AA1 #3E50CB #6E7CD8

Accessibility & contrast

On white

9.45

#2B3AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B3AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AA1

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AA1	#FFFFFF	#000000	##FFFFFF
##2B3AA1	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00419F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3aa1;
/* rgb */ color: rgb(43, 58, 161);
/* oklch */ color: oklch(40.6% 0.166 270.6);

Tailwind

colors: {
  custom: {
    50: '#7670be',
    500: '#2b3aa1',
    950: '#000000',
  },
}

SCSS

$custom: #2b3aa1;
$custom-light: #7670be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3aa1",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 161
  },
  "hsl": {
    "h": 232.373,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.40597,
    "c": 0.16602,
    "h": 270.6
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#2B3AA1

secondary

#BFB469

accent

#CD47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3AA1

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

Preview Lab → · Contrast checker → · Palette generator →