#2A237F#2A237F

#2A237F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.148 H 278.0°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A237F
RGB	rgb(42, 35, 127)
HSL	hsl(245, 57%, 32%)
HSV	hsv(245, 72%, 50%)
CMYK	cmyk(66.9%, 72.4%, 0%, 50.2%)
CIE-LAB	lab(20.93, 32.87, -50.80)
CIE-LCH	lch(20.93, 60.51, 302.91°)
OKLab	oklab(33.24% 0.0207 -0.1466)
OKLCH	oklch(33.24% 0.148 278)
XYZ	xyz(5.3854, 3.2262, 20.4135)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A237F #787F23

analogous

#234A7F #2A237F #58237F

triadic

#2A237F #7F2A23 #237F2A

tetradic

#2A237F #7F234A #787F23 #237F58

square

#2A237F #7F234A #787F23 #237F58

split-complementary

#2A237F #7F5823 #4A7F23

monochromatic

#0A091F #1A164F #2A237F #3A30AF #584ECE

Accessibility & contrast

On white

12.76

#2A237F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2A237F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A237F

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A237F	#FFFFFF	#000000	##FFFFFF
##2A237F	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a237f;
/* rgb */ color: rgb(42, 35, 127);
/* oklch */ color: oklch(33.2% 0.148 278.0);

Tailwind

colors: {
  custom: {
    50: '#705fa5',
    500: '#2a237f',
    950: '#000000',
  },
}

SCSS

$custom: #2a237f;
$custom-light: #705fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a237f",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 127
  },
  "hsl": {
    "h": 244.565,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33235,
    "c": 0.14806,
    "h": 278
  },
  "luminance": 0.03227
}

Semantic roles & 50–950 ramp

primary

#2A237F

secondary

#AAB14C

accent

#E048D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A237F

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

Preview Lab → · Contrast checker → · Palette generator →