#2A3083#2A3083

#2A3083 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.137 H 274.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#2A3083
RGB	rgb(42, 48, 131)
HSL	hsl(236, 51%, 34%)
HSV	hsv(236, 68%, 51%)
CMYK	cmyk(67.9%, 63.4%, 0%, 48.6%)
CIE-LAB	lab(24.46, 25.85, -47.53)
CIE-LCH	lch(24.46, 54.11, 298.54°)
OKLab	oklab(35.92% 0.0096 -0.137)
OKLCH	oklch(35.92% 0.137 274)
XYZ	xyz(6.1072, 4.2443, 21.9657)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3083 #837D2A

analogous

#2A5D83 #2A3083 #512A83

triadic

#2A3083 #832A30 #30832A

tetradic

#2A3083 #832A5D #837D2A #2A8351

square

#2A3083 #832A5D #837D2A #2A8351

split-complementary

#2A3083 #83512A #5D832A

monochromatic

#0C0E26 #1B1F55 #2A3083 #3941B1 #5D64CB

Accessibility & contrast

On white

11.36

#2A3083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2A3083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3083

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3083	#FFFFFF	#000000	##FFFFFF
##2A3083	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a3083;
/* rgb */ color: rgb(42, 48, 131);
/* oklch */ color: oklch(35.9% 0.137 274.0);

Tailwind

colors: {
  custom: {
    50: '#6f68a8',
    500: '#2a3083',
    950: '#000000',
  },
}

SCSS

$custom: #2a3083;
$custom-light: #6f68a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3083",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 131
  },
  "hsl": {
    "h": 235.955,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35919,
    "c": 0.13734,
    "h": 274
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary

#2A3083

secondary

#B1AB58

accent

#D14DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3083

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

Preview Lab → · Contrast checker → · Palette generator →