#2D3CB0#2D3CB0

#2D3CB0 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.183 H 270.5°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2D3CB0
RGB	rgb(45, 60, 176)
HSL	hsl(233, 59%, 43%)
HSV	hsv(233, 74%, 69%)
CMYK	cmyk(74.4%, 65.9%, 0%, 31%)
CIE-LAB	lab(31.63, 34.85, -63.29)
CIE-LCH	lch(31.63, 72.25, 298.84°)
OKLab	oklab(42.46% 0.0016 -0.183)
OKLCH	oklch(42.46% 0.183 270.5)
XYZ	xyz(10.5318, 6.9231, 41.8471)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3CB0 #B0A12D

analogous

#2D7DB0 #2D3CB0 #5F2DB0

triadic

#2D3CB0 #B02D3C #3CB02D

tetradic

#2D3CB0 #B02D7D #B0A12D #2DB05F

square

#2D3CB0 #B02D7D #B0A12D #2DB05F

split-complementary

#2D3CB0 #B05F2D #7DB02D

monochromatic

#141B4F #212B7F #2D3CB0 #4A59D1 #7A86DD

Accessibility & contrast

On white

8.81

#2D3CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2D3CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3CB0

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3CB0	#FFFFFF	#000000	##FFFFFF
##2D3CB0	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0044AE

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3cb0;
/* rgb */ color: rgb(45, 60, 176);
/* oklch */ color: oklch(42.5% 0.183 270.5);

Tailwind

colors: {
  custom: {
    50: '#7a72c9',
    500: '#2d3cb0',
    950: '#000000',
  },
}

SCSS

$custom: #2d3cb0;
$custom-light: #7a72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3cb0",
  "rgb": {
    "r": 45,
    "g": 60,
    "b": 176
  },
  "hsl": {
    "h": 233.13,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42459,
    "c": 0.18302,
    "h": 270.5
  },
  "luminance": 0.06924
}

Semantic roles & 50–950 ramp

primary

#2D3CB0

secondary

#C5BC73

accent

#D045E2

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D3CB0

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

Preview Lab → · Contrast checker → · Palette generator →