#2D43BB#2D43BB

#2D43BB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.189 H 269.0°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#2D43BB
RGB	rgb(45, 67, 187)
HSL	hsl(231, 61%, 45%)
HSV	hsv(231, 76%, 73%)
CMYK	cmyk(75.9%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(34.31, 34.36, -65.41)
CIE-LCH	lch(34.31, 73.89, 297.71°)
OKLab	oklab(44.73% -0.0033 -0.1892)
OKLCH	oklch(44.73% 0.189 269)
XYZ	xyz(12.0559, 8.1587, 47.9435)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D43BB #BBA52D

analogous

#2D8ABB #2D43BB #5E2DBB

triadic

#2D43BB #BB2D43 #43BB2D

tetradic

#2D43BB #BB2D8A #BBA52D #2DBB5E

square

#2D43BB #BB2D8A #BBA52D #2DBB5E

split-complementary

#2D43BB #BB5E2D #8ABB2D

monochromatic

#152058 #21318A #2D43BB #5065D5 #8290E1

Accessibility & contrast

On white

7.98

#2D43BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2D43BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D43BB

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D43BB	#FFFFFF	#000000	##FFFFFF
##2D43BB	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2d43bb;
/* rgb */ color: rgb(45, 67, 187);
/* oklch */ color: oklch(44.7% 0.189 269.0);

Tailwind

colors: {
  custom: {
    50: '#7c77d0',
    500: '#2d43bb',
    950: '#000000',
  },
}

SCSS

$custom: #2d43bb;
$custom-light: #7c77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d43bb",
  "rgb": {
    "r": 45,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 230.704,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44725,
    "c": 0.18921,
    "h": 269
  },
  "luminance": 0.0816
}

Semantic roles & 50–950 ramp

primary

#2D43BB

secondary

#CABD7A

accent

#CB43E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2D43BB

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

Preview Lab → · Contrast checker → · Palette generator →