#2A288A#2A288A

#2A288A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.157 H 275.6°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A288A
RGB	rgb(42, 40, 138)
HSL	hsl(241, 55%, 35%)
HSV	hsv(241, 71%, 54%)
CMYK	cmyk(69.6%, 71%, 0%, 45.9%)
CIE-LAB	lab(23.15, 33.60, -54.06)
CIE-LCH	lch(23.15, 63.65, 301.86°)
OKLab	oklab(35.16% 0.0153 -0.1562)
OKLCH	oklch(35.16% 0.157 275.6)
XYZ	xyz(6.2996, 3.8442, 24.4499)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A288A #888A28

analogous

#28578A #2A288A #5B288A

triadic

#2A288A #8A2A28 #288A2A

tetradic

#2A288A #8A2857 #888A28 #288A5B

square

#2A288A #8A2857 #888A28 #288A5B

split-complementary

#2A288A #8A5B28 #578A28

monochromatic

#0D0C2B #1C1A5B #2A288A #3836B9 #5F5DD0

Accessibility & contrast

On white

11.87

#2A288A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2A288A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A288A

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A288A	#FFFFFF	#000000	##FFFFFF
##2A288A	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a288a;
/* rgb */ color: rgb(42, 40, 138);
/* oklch */ color: oklch(35.2% 0.157 275.6);

Tailwind

colors: {
  custom: {
    50: '#7263ad',
    500: '#2a288a',
    950: '#000000',
  },
}

SCSS

$custom: #2a288a;
$custom-light: #7263ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a288a",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 138
  },
  "hsl": {
    "h": 241.224,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35161,
    "c": 0.1569,
    "h": 275.6
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#2A288A

secondary

#B3B559

accent

#DE49DB

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2A288A

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

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