#2B3DA1#2B3DA1

#2B3DA1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.162 H 269.8°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DA1
RGB	rgb(43, 61, 161)
HSL	hsl(231, 58%, 40%)
HSV	hsv(231, 73%, 63%)
CMYK	cmyk(73.3%, 62.1%, 0%, 36.9%)
CIE-LAB	lab(30.46, 28.46, -56.21)
CIE-LCH	lch(30.46, 63.01, 296.85°)
OKLab	oklab(41.16% -0.0005 -0.1623)
OKLCH	oklch(41.16% 0.162 269.8)
XYZ	xyz(9.0958, 6.4233, 34.4718)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DA1 #A18F2B

analogous

#2B78A1 #2B3DA1 #542BA1

triadic

#2B3DA1 #A12B3D #3DA12B

tetradic

#2B3DA1 #A12B78 #A18F2B #2BA154

square

#2B3DA1 #A12B78 #A18F2B #2BA154

split-complementary

#2B3DA1 #A1542B #78A12B

monochromatic

#111840 #1E2B71 #2B3DA1 #3E53CB #6E7ED8

Accessibility & contrast

On white

9.19

#2B3DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2B3DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DA1

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DA1	#FFFFFF	#000000	##FFFFFF
##2B3DA1	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3da1;
/* rgb */ color: rgb(43, 61, 161);
/* oklch */ color: oklch(41.2% 0.162 269.8);

Tailwind

colors: {
  custom: {
    50: '#7672be',
    500: '#2b3da1',
    950: '#000000',
  },
}

SCSS

$custom: #2b3da1;
$custom-light: #7672be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3da1",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 161
  },
  "hsl": {
    "h": 230.847,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.4116,
    "c": 0.16232,
    "h": 269.8
  },
  "luminance": 0.06424
}

Semantic roles & 50–950 ramp

primary

#2B3DA1

secondary

#BFB269

accent

#CA47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3DA1

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

Preview Lab → · Contrast checker → · Palette generator →