#2A3DB3#2A3DB3

#2A3DB3 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.187 H 269.3°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DB3
RGB	rgb(42, 61, 179)
HSL	hsl(232, 62%, 43%)
HSV	hsv(232, 77%, 70%)
CMYK	cmyk(76.5%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(32.00, 34.98, -64.48)
CIE-LCH	lch(32.00, 73.36, 298.48°)
OKLab	oklab(42.77% -0.0022 -0.1866)
OKLCH	oklch(42.77% 0.187 269.3)
XYZ	xyz(10.7575, 7.0832, 43.4393)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DB3 #B3A02A

analogous

#2A81B3 #2A3DB3 #5B2AB3

triadic

#2A3DB3 #B32A3D #3DB32A

tetradic

#2A3DB3 #B32A81 #B3A02A #2AB35B

square

#2A3DB3 #B32A81 #B3A02A #2AB35B

split-complementary

#2A3DB3 #B35B2A #81B32A

monochromatic

#131B50 #1E2C81 #2A3DB3 #465AD4 #7886DF

Accessibility & contrast

On white

8.69

#2A3DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2A3DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DB3

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DB3	#FFFFFF	#000000	##FFFFFF
##2A3DB3	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3db3;
/* rgb */ color: rgb(42, 61, 179);
/* oklch */ color: oklch(42.8% 0.187 269.3);

Tailwind

colors: {
  custom: {
    50: '#7972cb',
    500: '#2a3db3',
    950: '#000000',
  },
}

SCSS

$custom: #2a3db3;
$custom-light: #7972cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3db3",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 231.679,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42769,
    "c": 0.18657,
    "h": 269.3
  },
  "luminance": 0.07084
}

Semantic roles & 50–950 ramp

primary

#2A3DB3

secondary

#C7BB72

accent

#CF43E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A3DB3

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

Preview Lab → · Contrast checker → · Palette generator →