#2C3CB1#2C3CB1

#2C3CB1 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.185 H 270.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2C3CB1
RGB	rgb(44, 60, 177)
HSL	hsl(233, 60%, 43%)
HSV	hsv(233, 75%, 69%)
CMYK	cmyk(75.1%, 66.1%, 0%, 30.6%)
CIE-LAB	lab(31.67, 35.10, -63.82)
CIE-LCH	lch(31.67, 72.84, 298.81°)
OKLab	oklab(42.5% 0.0005 -0.1846)
OKLCH	oklch(42.5% 0.185 270.2)
XYZ	xyz(10.5877, 6.9404, 42.3681)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3CB1 #B1A12C

analogous

#2C7EB1 #2C3CB1 #5E2CB1

triadic

#2C3CB1 #B12C3C #3CB12C

tetradic

#2C3CB1 #B12C7E #B1A12C #2CB15E

square

#2C3CB1 #B12C7E #B1A12C #2CB15E

split-complementary

#2C3CB1 #B15E2C #7EB12C

monochromatic

#141B4F #202B80 #2C3CB1 #4959D2 #7A86DE

Accessibility & contrast

On white

8.79

#2C3CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2C3CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3CB1

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3CB1	#FFFFFF	#000000	##FFFFFF
##2C3CB1	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#0044AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2c3cb1;
/* rgb */ color: rgb(44, 60, 177);
/* oklch */ color: oklch(42.5% 0.185 270.2);

Tailwind

colors: {
  custom: {
    50: '#7a72c9',
    500: '#2c3cb1',
    950: '#000000',
  },
}

SCSS

$custom: #2c3cb1;
$custom-light: #7a72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3cb1",
  "rgb": {
    "r": 44,
    "g": 60,
    "b": 177
  },
  "hsl": {
    "h": 232.782,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42502,
    "c": 0.18459,
    "h": 270.2
  },
  "luminance": 0.06942
}

Semantic roles & 50–950 ramp

primary

#2C3CB1

secondary

#C6BC73

accent

#D044E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C3CB1

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

Preview Lab → · Contrast checker → · Palette generator →