#2A318D#2A318D

#2A318D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.150 H 273.2°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A318D
RGB	rgb(42, 49, 141)
HSL	hsl(236, 54%, 36%)
HSV	hsv(236, 70%, 55%)
CMYK	cmyk(70.2%, 65.2%, 0%, 44.7%)
CIE-LAB	lab(25.60, 28.87, -51.92)
CIE-LCH	lch(25.60, 59.40, 299.08°)
OKLab	oklab(37.03% 0.0083 -0.1498)
OKLCH	oklch(37.03% 0.15 273.2)
XYZ	xyz(6.8593, 4.6113, 25.7227)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A318D #8D862A

analogous

#2A628D #2A318D #542A8D

triadic

#2A318D #8D2A31 #318D2A

tetradic

#2A318D #8D2A62 #8D862A #2A8D54

square

#2A318D #8D2A62 #8D862A #2A8D54

split-complementary

#2A318D #8D542A #628D2A

monochromatic

#0E102F #1C215E #2A318D #3841BC #6169D0

Accessibility & contrast

On white

10.92

#2A318D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A318D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A318D

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A318D	#FFFFFF	#000000	##FFFFFF
##2A318D	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a318d;
/* rgb */ color: rgb(42, 49, 141);
/* oklch */ color: oklch(37.0% 0.150 273.2);

Tailwind

colors: {
  custom: {
    50: '#7169af',
    500: '#2a318d',
    950: '#000000',
  },
}

SCSS

$custom: #2a318d;
$custom-light: #7169af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a318d",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 141
  },
  "hsl": {
    "h": 235.758,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37026,
    "c": 0.15008,
    "h": 273.2
  },
  "luminance": 0.04612
}

Semantic roles & 50–950 ramp

primary

#2A318D

secondary

#B6B05D

accent

#D34ADD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2A318D

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

Preview Lab → · Contrast checker → · Palette generator →