#2A3383#2A3383

#2A3383 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.133 H 273.0°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#2A3383
RGB	rgb(42, 51, 131)
HSL	hsl(234, 51%, 34%)
HSV	hsv(234, 68%, 51%)
CMYK	cmyk(67.9%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(25.25, 23.82, -46.25)
CIE-LCH	lch(25.25, 52.02, 297.25°)
OKLab	oklab(36.5% 0.007 -0.1332)
OKLCH	oklch(36.5% 0.133 273)
XYZ	xyz(6.2340, 4.4980, 22.0080)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3383 #837A2A

analogous

#2A6083 #2A3383 #4E2A83

triadic

#2A3383 #832A33 #33832A

tetradic

#2A3383 #832A60 #837A2A #2A834E

square

#2A3383 #832A60 #837A2A #2A834E

split-complementary

#2A3383 #834E2A #60832A

monochromatic

#0C0F26 #1B2155 #2A3383 #3945B1 #5D68CB

Accessibility & contrast

On white

11.05

#2A3383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A3383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3383

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3383	#FFFFFF	#000000	##FFFFFF
##2A3383	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004086

Deuteranopia (green-blind)

#003881

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a3383;
/* rgb */ color: rgb(42, 51, 131);
/* oklch */ color: oklch(36.5% 0.133 273.0);

Tailwind

colors: {
  custom: {
    50: '#6f6aa8',
    500: '#2a3383',
    950: '#000000',
  },
}

SCSS

$custom: #2a3383;
$custom-light: #6f6aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3383",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 233.933,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36504,
    "c": 0.13336,
    "h": 273
  },
  "luminance": 0.04499
}

Semantic roles & 50–950 ramp

primary

#2A3383

secondary

#B1A858

accent

#CD4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3383

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

Preview Lab → · Contrast checker → · Palette generator →