#2D3DB0#2D3DB0

#2D3DB0 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.182 H 270.3°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#2D3DB0
RGB	rgb(45, 61, 176)
HSL	hsl(233, 59%, 43%)
HSV	hsv(233, 74%, 69%)
CMYK	cmyk(74.4%, 65.3%, 0%, 31%)
CIE-LAB	lab(31.87, 34.21, -62.89)
CIE-LCH	lch(31.87, 71.60, 298.54°)
OKLab	oklab(42.64% 0.001 -0.1819)
OKLCH	oklch(42.64% 0.182 270.3)
XYZ	xyz(10.5847, 7.0288, 41.8647)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3DB0 #B0A02D

analogous

#2D7EB0 #2D3DB0 #5E2DB0

triadic

#2D3DB0 #B02D3D #3DB02D

tetradic

#2D3DB0 #B02D7E #B0A02D #2DB05E

square

#2D3DB0 #B02D7E #B0A02D #2DB05E

split-complementary

#2D3DB0 #B05E2D #7EB02D

monochromatic

#141B4F #212C7F #2D3DB0 #4A5AD1 #7A86DD

Accessibility & contrast

On white

8.73

#2D3DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2D3DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3DB0

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3DB0	#FFFFFF	#000000	##FFFFFF
##2D3DB0	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0045AE

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2d3db0;
/* rgb */ color: rgb(45, 61, 176);
/* oklch */ color: oklch(42.6% 0.182 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a72c9',
    500: '#2d3db0',
    950: '#000000',
  },
}

SCSS

$custom: #2d3db0;
$custom-light: #7a72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3db0",
  "rgb": {
    "r": 45,
    "g": 61,
    "b": 176
  },
  "hsl": {
    "h": 232.672,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42636,
    "c": 0.18185,
    "h": 270.3
  },
  "luminance": 0.0703
}

Semantic roles & 50–950 ramp

primary

#2D3DB0

secondary

#C5BB73

accent

#CF45E2

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D3DB0

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

Preview Lab → · Contrast checker → · Palette generator →