#2C40B0#2C40B0

#2C40B0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.179 H 269.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2C40B0
RGB	rgb(44, 64, 176)
HSL	hsl(231, 60%, 43%)
HSV	hsv(231, 75%, 69%)
CMYK	cmyk(75%, 63.6%, 0%, 31%)
CIE-LAB	lab(32.56, 32.16, -61.77)
CIE-LCH	lch(32.56, 69.64, 297.51°)
OKLab	oklab(43.13% -0.002 -0.1786)
OKLCH	oklch(43.13% 0.179 269.4)
XYZ	xyz(10.7059, 7.3357, 41.9176)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40B0 #B09C2C

analogous

#2C82B0 #2C40B0 #5A2CB0

triadic

#2C40B0 #B02C40 #40B02C

tetradic

#2C40B0 #B02C82 #B09C2C #2CB05A

square

#2C40B0 #B02C82 #B09C2C #2CB05A

split-complementary

#2C40B0 #B05A2C #82B02C

monochromatic

#141C4E #202E7F #2C40B0 #485DD1 #7988DD

Accessibility & contrast

On white

8.51

#2C40B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2C40B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40B0

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40B0	#FFFFFF	#000000	##FFFFFF
##2C40B0	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B4

Deuteranopia (green-blind)

#0046AE

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2c40b0;
/* rgb */ color: rgb(44, 64, 176);
/* oklch */ color: oklch(43.1% 0.179 269.4);

Tailwind

colors: {
  custom: {
    50: '#7974c9',
    500: '#2c40b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c40b0;
$custom-light: #7974c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40b0",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 176
  },
  "hsl": {
    "h": 230.909,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43126,
    "c": 0.17857,
    "h": 269.4
  },
  "luminance": 0.07337
}

Semantic roles & 50–950 ramp

primary

#2C40B0

secondary

#C6B972

accent

#CB45E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C40B0

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

Preview Lab → · Contrast checker → · Palette generator →