#2C3F9B#2C3F9B

#2C3F9B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.151 H 269.6°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2C3F9B
RGB	rgb(44, 63, 155)
HSL	hsl(230, 56%, 39%)
HSV	hsv(230, 72%, 61%)
CMYK	cmyk(71.6%, 59.4%, 0%, 39.2%)
CIE-LAB	lab(30.54, 25.02, -52.45)
CIE-LCH	lch(30.54, 58.11, 295.50°)
OKLab	oklab(41.08% -0.001 -0.1512)
OKLCH	oklch(41.08% 0.151 269.6)
XYZ	xyz(8.7306, 6.4562, 31.7900)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3F9B #9B882C

analogous

#2C779B #2C3F9B #512C9B

triadic

#2C3F9B #9B2C3F #3F9B2C

tetradic

#2C3F9B #9B2C77 #9B882C #2C9B51

square

#2C3F9B #9B2C77 #9B882C #2C9B51

split-complementary

#2C3F9B #9B512C #779B2C

monochromatic

#11183C #1E2C6B #2C3F9B #3C54C8 #6C7ED5

Accessibility & contrast

On white

9.16

#2C3F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2C3F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3F9B

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3F9B	#FFFFFF	#000000	##FFFFFF
##2C3F9B	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2c3f9b;
/* rgb */ color: rgb(44, 63, 155);
/* oklch */ color: oklch(41.1% 0.151 269.6);

Tailwind

colors: {
  custom: {
    50: '#7473b9',
    500: '#2c3f9b',
    950: '#000000',
  },
}

SCSS

$custom: #2c3f9b;
$custom-light: #7473b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3f9b",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 155
  },
  "hsl": {
    "h": 229.73,
    "s": 55.779,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41078,
    "c": 0.15121,
    "h": 269.6
  },
  "luminance": 0.06457
}

Semantic roles & 50–950 ramp

primary

#2C3F9B

secondary

#BCAE67

accent

#C549DF

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2C3F9B

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

Preview Lab → · Contrast checker → · Palette generator →