#2D237B#2D237B

#2D237B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.142 H 280.4°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#2D237B
RGB	rgb(45, 35, 123)
HSL	hsl(247, 56%, 31%)
HSV	hsv(247, 72%, 48%)
CMYK	cmyk(63.4%, 71.5%, 0%, 51.8%)
CIE-LAB	lab(20.79, 31.94, -48.48)
CIE-LCH	lch(20.79, 58.05, 303.38°)
OKLab	oklab(33.08% 0.0256 -0.1397)
OKLCH	oklch(33.08% 0.142 280.4)
XYZ	xyz(5.2572, 3.1896, 19.0737)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D237B #717B23

analogous

#23457B #2D237B #59237B

triadic

#2D237B #7B2D23 #237B2D

tetradic

#2D237B #7B2345 #717B23 #237B59

square

#2D237B #7B2345 #717B23 #237B59

split-complementary

#2D237B #7B5923 #457B23

monochromatic

#0A081C #1C154B #2D237B #3E31AB #5B4CCC

Accessibility & contrast

On white

12.82

#2D237B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2D237B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D237B

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D237B	#FFFFFF	#000000	##FFFFFF
##2D237B	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2d237b;
/* rgb */ color: rgb(45, 35, 123);
/* oklch */ color: oklch(33.1% 0.142 280.4);

Tailwind

colors: {
  custom: {
    50: '#705fa2',
    500: '#2d237b',
    950: '#000000',
  },
}

SCSS

$custom: #2d237b;
$custom-light: #705fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d237b",
  "rgb": {
    "r": 45,
    "g": 35,
    "b": 123
  },
  "hsl": {
    "h": 246.818,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33079,
    "c": 0.14206,
    "h": 280.4
  },
  "luminance": 0.0319
}

Semantic roles & 50–950 ramp

primary

#2D237B

secondary

#A3AE4C

accent

#DF49CE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2D237B

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

Preview Lab → · Contrast checker → · Palette generator →