#2C40B6#2C40B6

#2C40B6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.186 H 269.3°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#2C40B6
RGB	rgb(44, 64, 182)
HSL	hsl(231, 61%, 44%)
HSV	hsv(231, 76%, 71%)
CMYK	cmyk(75.8%, 64.8%, 0%, 28.6%)
CIE-LAB	lab(33.09, 34.36, -64.46)
CIE-LCH	lch(33.09, 73.05, 298.06°)
OKLab	oklab(43.68% -0.0022 -0.1864)
OKLCH	oklch(43.68% 0.186 269.3)
XYZ	xyz(11.3127, 7.5784, 45.1135)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40B6 #B6A22C

analogous

#2C85B6 #2C40B6 #5D2CB6

triadic

#2C40B6 #B62C40 #40B62C

tetradic

#2C40B6 #B62C85 #B6A22C #2CB65D

square

#2C40B6 #B62C85 #B6A22C #2CB65D

split-complementary

#2C40B6 #B65D2C #85B62C

monochromatic

#141D53 #202F85 #2C40B6 #4C5FD4 #7D8BE0

Accessibility & contrast

On white

8.35

#2C40B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2C40B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40B6

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40B6	#FFFFFF	#000000	##FFFFFF
##2C40B6	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BA

Deuteranopia (green-blind)

#0047B4

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2c40b6;
/* rgb */ color: rgb(44, 64, 182);
/* oklch */ color: oklch(43.7% 0.186 269.3);

Tailwind

colors: {
  custom: {
    50: '#7b75cd',
    500: '#2c40b6',
    950: '#000000',
  },
}

SCSS

$custom: #2c40b6;
$custom-light: #7b75cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40b6",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 182
  },
  "hsl": {
    "h": 231.304,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43679,
    "c": 0.18646,
    "h": 269.3
  },
  "luminance": 0.0758
}

Semantic roles & 50–950 ramp

primary

#2C40B6

secondary

#C8BC76

accent

#CD44E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2C40B6

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

Preview Lab → · Contrast checker → · Palette generator →