#2D3F9A#2D3F9A

#2D3F9A is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.150 H 270.0°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F9A
RGB	rgb(45, 63, 154)
HSL	hsl(230, 55%, 39%)
HSV	hsv(230, 71%, 60%)
CMYK	cmyk(70.8%, 59.1%, 0%, 39.6%)
CIE-LAB	lab(30.51, 24.78, -51.88)
CIE-LCH	lch(30.51, 57.50, 295.53°)
OKLab	oklab(41.05% 0 -0.1495)
OKLCH	oklch(41.05% 0.15 270)
XYZ	xyz(8.6904, 6.4451, 31.3516)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F9A #9A882D

analogous

#2D769A #2D3F9A #522D9A

triadic

#2D3F9A #9A2D3F #3F9A2D

tetradic

#2D3F9A #9A2D76 #9A882D #2D9A52

square

#2D3F9A #9A2D76 #9A882D #2D9A52

split-complementary

#2D3F9A #9A522D #769A2D

monochromatic

#11183B #1F2C6B #2D3F9A #3E54C7 #6D7ED4

Accessibility & contrast

On white

9.17

#2D3F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2D3F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F9A

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F9A	#FFFFFF	#000000	##FFFFFF
##2D3F9A	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9D

Deuteranopia (green-blind)

#004398

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d3f9a;
/* rgb */ color: rgb(45, 63, 154);
/* oklch */ color: oklch(41.0% 0.150 270.0);

Tailwind

colors: {
  custom: {
    50: '#7573b8',
    500: '#2d3f9a',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f9a;
$custom-light: #7573b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f9a",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 154
  },
  "hsl": {
    "h": 230.092,
    "s": 54.774,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41048,
    "c": 0.14952,
    "h": 270
  },
  "luminance": 0.06446
}

Semantic roles & 50–950 ramp

primary

#2D3F9A

secondary

#BBAE67

accent

#C64ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2D3F9A

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

Preview Lab → · Contrast checker → · Palette generator →