#2D3DB3#2D3DB3

#2D3DB3 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.186 H 270.2°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2D3DB3
RGB	rgb(45, 61, 179)
HSL	hsl(233, 60%, 44%)
HSV	hsv(233, 75%, 70%)
CMYK	cmyk(74.9%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(32.14, 35.29, -64.23)
CIE-LCH	lch(32.14, 73.29, 298.79°)
OKLab	oklab(42.92% 0.0008 -0.1858)
OKLCH	oklch(42.92% 0.186 270.2)
XYZ	xyz(10.8848, 7.1489, 43.4453)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3DB3 #B3A32D

analogous

#2D80B3 #2D3DB3 #602DB3

triadic

#2D3DB3 #B32D3D #3DB32D

tetradic

#2D3DB3 #B32D80 #B3A32D #2DB360

square

#2D3DB3 #B32D80 #B3A32D #2DB360

split-complementary

#2D3DB3 #B3602D #80B32D

monochromatic

#141C51 #212C82 #2D3DB3 #4B5BD2 #7C88DE

Accessibility & contrast

On white

8.64

#2D3DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2D3DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3DB3

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3DB3	#FFFFFF	#000000	##FFFFFF
##2D3DB3	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2d3db3;
/* rgb */ color: rgb(45, 61, 179);
/* oklch */ color: oklch(42.9% 0.186 270.2);

Tailwind

colors: {
  custom: {
    50: '#7b72cb',
    500: '#2d3db3',
    950: '#000000',
  },
}

SCSS

$custom: #2d3db3;
$custom-light: #7b72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3db3",
  "rgb": {
    "r": 45,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 232.836,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42917,
    "c": 0.18577,
    "h": 270.2
  },
  "luminance": 0.0715
}

Semantic roles & 50–950 ramp

primary

#2D3DB3

secondary

#C7BD75

accent

#D045E3

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D3DB3

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

Preview Lab → · Contrast checker → · Palette generator →