#2A308D#2A308D

#2A308D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.151 H 273.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A308D
RGB	rgb(42, 48, 141)
HSL	hsl(236, 54%, 36%)
HSV	hsv(236, 70%, 55%)
CMYK	cmyk(70.2%, 66%, 0%, 44.7%)
CIE-LAB	lab(25.35, 29.53, -52.33)
CIE-LCH	lch(25.35, 60.08, 299.44°)
OKLab	oklab(36.84% 0.009 -0.1511)
OKLCH	oklch(36.84% 0.151 273.4)
XYZ	xyz(6.8179, 4.5286, 25.7089)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A308D #8D872A

analogous

#2A618D #2A308D #552A8D

triadic

#2A308D #8D2A30 #308D2A

tetradic

#2A308D #8D2A61 #8D872A #2A8D55

square

#2A308D #8D2A61 #8D872A #2A8D55

split-complementary

#2A308D #8D552A #618D2A

monochromatic

#0E102F #1C205E #2A308D #3840BC #6168D0

Accessibility & contrast

On white

11.02

#2A308D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A308D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A308D

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A308D	#FFFFFF	#000000	##FFFFFF
##2A308D	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a308d;
/* rgb */ color: rgb(42, 48, 141);
/* oklch */ color: oklch(36.8% 0.151 273.4);

Tailwind

colors: {
  custom: {
    50: '#7268af',
    500: '#2a308d',
    950: '#000000',
  },
}

SCSS

$custom: #2a308d;
$custom-light: #7268af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a308d",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 141
  },
  "hsl": {
    "h": 236.364,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36842,
    "c": 0.15133,
    "h": 273.4
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary

#2A308D

secondary

#B6B15D

accent

#D54ADD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2A308D

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

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