#2C3CB3#2C3CB3

#2C3CB3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.187 H 270.1°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#2C3CB3
RGB	rgb(44, 60, 179)
HSL	hsl(233, 61%, 44%)
HSV	hsv(233, 75%, 70%)
CMYK	cmyk(75.4%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(31.85, 35.82, -64.71)
CIE-LCH	lch(31.85, 73.96, 298.97°)
OKLab	oklab(42.69% 0.0004 -0.1872)
OKLCH	oklch(42.69% 0.187 270.1)
XYZ	xyz(10.7885, 7.0207, 43.4256)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3CB3 #B3A32C

analogous

#2C7FB3 #2C3CB3 #5F2CB3

triadic

#2C3CB3 #B32C3C #3CB32C

tetradic

#2C3CB3 #B32C7F #B3A32C #2CB35F

square

#2C3CB3 #B32C7F #B3A32C #2CB35F

split-complementary

#2C3CB3 #B35F2C #7FB32C

monochromatic

#141B51 #202C82 #2C3CB3 #4A5AD2 #7B87DF

Accessibility & contrast

On white

8.73

#2C3CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2C3CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3CB3

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3CB3	#FFFFFF	#000000	##FFFFFF
##2C3CB3	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2c3cb3;
/* rgb */ color: rgb(44, 60, 179);
/* oklch */ color: oklch(42.7% 0.187 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a72cb',
    500: '#2c3cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2c3cb3;
$custom-light: #7a72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3cb3",
  "rgb": {
    "r": 44,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 232.889,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42692,
    "c": 0.18719,
    "h": 270.1
  },
  "luminance": 0.07022
}

Semantic roles & 50–950 ramp

primary

#2C3CB3

secondary

#C7BD74

accent

#D144E4

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C3CB3

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

Preview Lab → · Contrast checker → · Palette generator →