#2A3580#2A3580

#2A3580 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.126 H 272.3°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2A3580
RGB	rgb(42, 53, 128)
HSL	hsl(232, 51%, 33%)
HSV	hsv(232, 67%, 50%)
CMYK	cmyk(67.2%, 58.6%, 0%, 49.8%)
CIE-LAB	lab(25.55, 21.33, -43.88)
CIE-LCH	lch(25.55, 48.79, 295.93°)
OKLab	oklab(36.65% 0.0051 -0.1262)
OKLCH	oklch(36.65% 0.126 272.3)
XYZ	xyz(6.1229, 4.5964, 20.9824)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3580 #80752A

analogous

#2A6080 #2A3580 #4A2A80

triadic

#2A3580 #802A35 #35802A

tetradic

#2A3580 #802A60 #80752A #2A804A

square

#2A3580 #802A60 #80752A #2A804A

split-complementary

#2A3580 #804A2A #60802A

monochromatic

#0C0F24 #1B2252 #2A3580 #3948AE #5B69C9

Accessibility & contrast

On white

10.94

#2A3580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A3580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3580

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3580	#FFFFFF	#000000	##FFFFFF
##2A3580	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3580;
/* rgb */ color: rgb(42, 53, 128);
/* oklch */ color: oklch(36.6% 0.126 272.3);

Tailwind

colors: {
  custom: {
    50: '#6e6ca5',
    500: '#2a3580',
    950: '#000000',
  },
}

SCSS

$custom: #2a3580;
$custom-light: #6e6ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3580",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 128
  },
  "hsl": {
    "h": 232.326,
    "s": 50.588,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3665,
    "c": 0.1263,
    "h": 272.3
  },
  "luminance": 0.04597
}

Semantic roles & 50–950 ramp

primary

#2A3580

secondary

#AFA457

accent

#C84EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A3580

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

Preview Lab → · Contrast checker → · Palette generator →