#2A3483#2A3483

#2A3483 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.132 H 272.6°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A3483
RGB	rgb(42, 52, 131)
HSL	hsl(233, 51%, 34%)
HSV	hsv(233, 68%, 51%)
CMYK	cmyk(67.9%, 60.3%, 0%, 48.6%)
CIE-LAB	lab(25.52, 23.14, -45.81)
CIE-LCH	lch(25.52, 51.32, 296.80°)
OKLab	oklab(36.7% 0.006 -0.1319)
OKLCH	oklch(36.7% 0.132 272.6)
XYZ	xyz(6.2782, 4.5864, 22.0227)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3483 #83792A

analogous

#2A6183 #2A3483 #4D2A83

triadic

#2A3483 #832A34 #34832A

tetradic

#2A3483 #832A61 #83792A #2A834D

square

#2A3483 #832A61 #83792A #2A834D

split-complementary

#2A3483 #834D2A #61832A

monochromatic

#0C0F26 #1B2255 #2A3483 #3946B1 #5D69CB

Accessibility & contrast

On white

10.95

#2A3483 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A3483 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3483

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3483	#FFFFFF	#000000	##FFFFFF
##2A3483	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a3483;
/* rgb */ color: rgb(42, 52, 131);
/* oklch */ color: oklch(36.7% 0.132 272.6);

Tailwind

colors: {
  custom: {
    50: '#6f6ba8',
    500: '#2a3483',
    950: '#000000',
  },
}

SCSS

$custom: #2a3483;
$custom-light: #6f6ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3483",
  "rgb": {
    "r": 42,
    "g": 52,
    "b": 131
  },
  "hsl": {
    "h": 233.258,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36703,
    "c": 0.13203,
    "h": 272.6
  },
  "luminance": 0.04587
}

Semantic roles & 50–950 ramp

primary

#2A3483

secondary

#B1A758

accent

#CB4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3483

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

Preview Lab → · Contrast checker → · Palette generator →