#2C3FA9#2C3FA9

#2C3FA9 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.170 H 269.6°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#2C3FA9
RGB	rgb(44, 63, 169)
HSL	hsl(231, 59%, 42%)
HSV	hsv(231, 74%, 66%)
CMYK	cmyk(74%, 62.7%, 0%, 33.7%)
CIE-LAB	lab(31.70, 30.24, -58.99)
CIE-LCH	lch(31.70, 66.29, 297.14°)
OKLab	oklab(42.31% -0.0011 -0.1704)
OKLCH	oklch(42.31% 0.17 269.6)
XYZ	xyz(9.9752, 6.9540, 38.3450)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3FA9 #A9962C

analogous

#2C7EA9 #2C3FA9 #582CA9

triadic

#2C3FA9 #A92C3F #3FA92C

tetradic

#2C3FA9 #A92C7E #A9962C #2CA958

square

#2C3FA9 #A92C7E #A9962C #2CA958

split-complementary

#2C3FA9 #A9582C #7EA92C

monochromatic

#131B48 #1F2D78 #2C3FA9 #4459CE #7484DB

Accessibility & contrast

On white

8.78

#2C3FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2C3FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3FA9

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3FA9	#FFFFFF	#000000	##FFFFFF
##2C3FA9	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AC

Deuteranopia (green-blind)

#0045A7

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2c3fa9;
/* rgb */ color: rgb(44, 63, 169);
/* oklch */ color: oklch(42.3% 0.170 269.6);

Tailwind

colors: {
  custom: {
    50: '#7874c3',
    500: '#2c3fa9',
    950: '#000000',
  },
}

SCSS

$custom: #2c3fa9;
$custom-light: #7874c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3fa9",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 169
  },
  "hsl": {
    "h": 230.88,
    "s": 58.685,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42307,
    "c": 0.17042,
    "h": 269.6
  },
  "luminance": 0.06955
}

Semantic roles & 50–950 ramp

primary

#2C3FA9

secondary

#C3B66E

accent

#CA46E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C3FA9

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

Preview Lab → · Contrast checker → · Palette generator →