#2A308B#2A308B

#2A308B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.149 H 273.5°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#2A308B
RGB	rgb(42, 48, 139)
HSL	hsl(236, 54%, 35%)
HSV	hsv(236, 70%, 55%)
CMYK	cmyk(69.8%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(25.17, 28.80, -51.38)
CIE-LCH	lch(25.17, 58.90, 299.27°)
OKLab	oklab(36.66% 0.0092 -0.1483)
OKLCH	oklch(36.66% 0.149 273.5)
XYZ	xyz(6.6704, 4.4696, 24.9323)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A308B #8B852A

analogous

#2A608B #2A308B #552A8B

triadic

#2A308B #8B2A30 #308B2A

tetradic

#2A308B #8B2A60 #8B852A #2A8B55

square

#2A308B #8B2A60 #8B852A #2A8B55

split-complementary

#2A308B #8B552A #608B2A

monochromatic

#0E102D #1C205C #2A308B #3840BA #6067CF

Accessibility & contrast

On white

11.09

#2A308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2A308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A308B

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A308B	#FFFFFF	#000000	##FFFFFF
##2A308B	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a308b;
/* rgb */ color: rgb(42, 48, 139);
/* oklch */ color: oklch(36.7% 0.149 273.5);

Tailwind

colors: {
  custom: {
    50: '#7168ae',
    500: '#2a308b',
    950: '#000000',
  },
}

SCSS

$custom: #2a308b;
$custom-light: #7168ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2a308b",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 236.289,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36655,
    "c": 0.14856,
    "h": 273.5
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#2A308B

secondary

#B5AF5C

accent

#D44BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2A308B

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

Preview Lab → · Contrast checker → · Palette generator →