#2A2B81#2A2B81

#2A2B81 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.141 H 275.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A2B81
RGB	rgb(42, 43, 129)
HSL	hsl(239, 51%, 34%)
HSV	hsv(239, 67%, 51%)
CMYK	cmyk(67.4%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(23.01, 28.46, -48.64)
CIE-LCH	lch(23.01, 56.35, 300.33°)
OKLab	oklab(34.8% 0.014 -0.1403)
OKLCH	oklch(34.8% 0.141 275.7)
XYZ	xyz(5.7799, 3.8045, 21.1944)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2B81 #81802A

analogous

#2A5681 #2A2B81 #542A81

triadic

#2A2B81 #812A2B #2B812A

tetradic

#2A2B81 #812A56 #81802A #2A8154

square

#2A2B81 #812A56 #81802A #2A8154

split-complementary

#2A2B81 #81542A #56812A

monochromatic

#0C0C25 #1B1C53 #2A2B81 #393AAF #5C5DCA

Accessibility & contrast

On white

11.93

#2A2B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2A2B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2B81

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2B81	#FFFFFF	#000000	##FFFFFF
##2A2B81	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a2b81;
/* rgb */ color: rgb(42, 43, 129);
/* oklch */ color: oklch(34.8% 0.141 275.7);

Tailwind

colors: {
  custom: {
    50: '#6f64a6',
    500: '#2a2b81',
    950: '#000000',
  },
}

SCSS

$custom: #2a2b81;
$custom-light: #6f64a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2b81",
  "rgb": {
    "r": 42,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 239.31,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34802,
    "c": 0.14098,
    "h": 275.7
  },
  "luminance": 0.03805
}

Semantic roles & 50–950 ramp

primary

#2A2B81

secondary

#AFAE57

accent

#D94DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08050F

muted

#7B7A7F

Preview Lab

Preview with #2A2B81

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

Preview Lab → · Contrast checker → · Palette generator →