#2D3AA3#2D3AA3

#2D3AA3 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.168 H 271.3°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2D3AA3
RGB	rgb(45, 58, 163)
HSL	hsl(233, 57%, 41%)
HSV	hsv(233, 72%, 64%)
CMYK	cmyk(72.4%, 64.4%, 0%, 36.1%)
CIE-LAB	lab(29.98, 31.42, -58.20)
CIE-LCH	lch(29.98, 66.14, 298.36°)
OKLab	oklab(40.89% 0.0037 -0.1681)
OKLCH	oklch(40.89% 0.168 271.3)
XYZ	xyz(9.2039, 6.2274, 35.3602)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3AA3 #A3962D

analogous

#2D75A3 #2D3AA3 #5B2DA3

triadic

#2D3AA3 #A32D3A #3AA32D

tetradic

#2D3AA3 #A32D75 #A3962D #2DA35B

square

#2D3AA3 #A32D75 #A3962D #2DA35B

split-complementary

#2D3AA3 #A35B2D #75A32D

monochromatic

#131843 #202973 #2D3AA3 #4251CB #727DD8

Accessibility & contrast

On white

9.35

#2D3AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2D3AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3AA3

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3AA3	#FFFFFF	#000000	##FFFFFF
##2D3AA3	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA6

Deuteranopia (green-blind)

#0041A1

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d3aa3;
/* rgb */ color: rgb(45, 58, 163);
/* oklch */ color: oklch(40.9% 0.168 271.3);

Tailwind

colors: {
  custom: {
    50: '#7770bf',
    500: '#2d3aa3',
    950: '#000000',
  },
}

SCSS

$custom: #2d3aa3;
$custom-light: #7770bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3aa3",
  "rgb": {
    "r": 45,
    "g": 58,
    "b": 163
  },
  "hsl": {
    "h": 233.39,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40891,
    "c": 0.16816,
    "h": 271.3
  },
  "luminance": 0.06228
}

Semantic roles & 50–950 ramp

primary

#2D3AA3

secondary

#C0B66C

accent

#CF48E0

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D3AA3

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

Preview Lab → · Contrast checker → · Palette generator →