#2D227B#2D227B

#2D227B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.9% C 0.143 H 280.7°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#2D227B
RGB	rgb(45, 34, 123)
HSL	hsl(247, 57%, 31%)
HSV	hsv(247, 72%, 48%)
CMYK	cmyk(63.4%, 72.4%, 0%, 51.8%)
CIE-LAB	lab(20.56, 32.55, -48.85)
CIE-LCH	lch(20.56, 58.70, 303.68°)
OKLab	oklab(32.92% 0.0265 -0.1408)
OKLCH	oklch(32.92% 0.143 280.7)
XYZ	xyz(5.2282, 3.1316, 19.0640)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D227B #707B22

analogous

#22437B #2D227B #59227B

triadic

#2D227B #7B2D22 #227B2D

tetradic

#2D227B #7B2243 #707B22 #227B59

square

#2D227B #7B2243 #707B22 #227B59

split-complementary

#2D227B #7B5922 #437B22

monochromatic

#0A071B #1B154B #2D227B #3F2FAB #5A4ACD

Accessibility & contrast

On white

12.91

#2D227B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2D227B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D227B

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D227B	#FFFFFF	#000000	##FFFFFF
##2D227B	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2d227b;
/* rgb */ color: rgb(45, 34, 123);
/* oklch */ color: oklch(32.9% 0.143 280.7);

Tailwind

colors: {
  custom: {
    50: '#705ea2',
    500: '#2d227b',
    950: '#000000',
  },
}

SCSS

$custom: #2d227b;
$custom-light: #705ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d227b",
  "rgb": {
    "r": 45,
    "g": 34,
    "b": 123
  },
  "hsl": {
    "h": 247.416,
    "s": 56.688,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32918,
    "c": 0.14327,
    "h": 280.7
  },
  "luminance": 0.03132
}

Semantic roles & 50–950 ramp

primary

#2D227B

secondary

#A2AE4B

accent

#E048CD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2D227B

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

Preview Lab → · Contrast checker → · Palette generator →