#2A308C#2A308C

#2A308C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.150 H 273.5°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#2A308C
RGB	rgb(42, 48, 140)
HSL	hsl(236, 54%, 36%)
HSV	hsv(236, 70%, 55%)
CMYK	cmyk(70%, 65.7%, 0%, 45.1%)
CIE-LAB	lab(25.26, 29.16, -51.85)
CIE-LCH	lch(25.26, 59.49, 299.35°)
OKLab	oklab(36.75% 0.0091 -0.1497)
OKLCH	oklch(36.75% 0.15 273.5)
XYZ	xyz(6.7438, 4.4990, 25.3188)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A308C #8C862A

analogous

#2A618C #2A308C #552A8C

triadic

#2A308C #8C2A30 #308C2A

tetradic

#2A308C #8C2A61 #8C862A #2A8C55

square

#2A308C #8C2A61 #8C862A #2A8C55

split-complementary

#2A308C #8C552A #618C2A

monochromatic

#0E102E #1C205D #2A308C #3840BB #6168D0

Accessibility & contrast

On white

11.05

#2A308C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A308C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A308C

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A308C	#FFFFFF	#000000	##FFFFFF
##2A308C	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)

#00408F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a308c;
/* rgb */ color: rgb(42, 48, 140);
/* oklch */ color: oklch(36.7% 0.150 273.5);

Tailwind

colors: {
  custom: {
    50: '#7168ae',
    500: '#2a308c',
    950: '#000000',
  },
}

SCSS

$custom: #2a308c;
$custom-light: #7168ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2a308c",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 140
  },
  "hsl": {
    "h": 236.327,
    "s": 53.846,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36748,
    "c": 0.14995,
    "h": 273.5
  },
  "luminance": 0.045
}

Semantic roles & 50–950 ramp

primary

#2A308C

secondary

#B5B05C

accent

#D44BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2A308C

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

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