#2C3FB8#2C3FB8

#2C3FB8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.190 H 269.5°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2C3FB8
RGB	rgb(44, 63, 184)
HSL	hsl(232, 61%, 45%)
HSV	hsv(232, 76%, 72%)
CMYK	cmyk(76.1%, 65.8%, 0%, 27.8%)
CIE-LAB	lab(33.03, 35.72, -65.75)
CIE-LCH	lch(33.03, 74.83, 298.52°)
OKLab	oklab(43.69% -0.0017 -0.1902)
OKLCH	oklch(43.69% 0.19 269.5)
XYZ	xyz(11.4650, 7.5499, 46.1912)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3FB8 #B8A52C

analogous

#2C85B8 #2C3FB8 #5F2CB8

triadic

#2C3FB8 #B82C3F #3FB82C

tetradic

#2C3FB8 #B82C85 #B8A52C #2CB85F

square

#2C3FB8 #B82C85 #B8A52C #2CB85F

split-complementary

#2C3FB8 #B85F2C #85B82C

monochromatic

#141D55 #202E87 #2C3FB8 #4D5FD4 #7E8CE0

Accessibility & contrast

On white

8.37

#2C3FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2C3FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3FB8

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3FB8	#FFFFFF	#000000	##FFFFFF
##2C3FB8	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0047B6

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2c3fb8;
/* rgb */ color: rgb(44, 63, 184);
/* oklch */ color: oklch(43.7% 0.190 269.5);

Tailwind

colors: {
  custom: {
    50: '#7b74ce',
    500: '#2c3fb8',
    950: '#000000',
  },
}

SCSS

$custom: #2c3fb8;
$custom-light: #7b74ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3fb8",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 184
  },
  "hsl": {
    "h": 231.857,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43689,
    "c": 0.19022,
    "h": 269.5
  },
  "luminance": 0.07551
}

Semantic roles & 50–950 ramp

primary

#2C3FB8

secondary

#C9BE77

accent

#CF43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2C3FB8

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

Preview Lab → · Contrast checker → · Palette generator →