#2C40A9#2C40A9

#2C40A9 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.169 H 269.4°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2C40A9
RGB	rgb(44, 64, 169)
HSL	hsl(230, 59%, 42%)
HSV	hsv(230, 74%, 66%)
CMYK	cmyk(74%, 62.1%, 0%, 33.7%)
CIE-LAB	lab(31.96, 29.58, -58.58)
CIE-LCH	lch(31.96, 65.62, 296.79°)
OKLab	oklab(42.5% -0.0018 -0.1692)
OKLCH	oklch(42.5% 0.169 269.4)
XYZ	xyz(10.0311, 7.0658, 38.3636)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40A9 #A9952C

analogous

#2C7FA9 #2C40A9 #572CA9

triadic

#2C40A9 #A92C40 #40A92C

tetradic

#2C40A9 #A92C7F #A9952C #2CA957

square

#2C40A9 #A92C7F #A9952C #2CA957

split-complementary

#2C40A9 #A9572C #7FA92C

monochromatic

#131B48 #1F2E78 #2C40A9 #445ACE #7485DB

Accessibility & contrast

On white

8.70

#2C40A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2C40A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40A9

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40A9	#FFFFFF	#000000	##FFFFFF
##2C40A9	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AC

Deuteranopia (green-blind)

#0045A7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2c40a9;
/* rgb */ color: rgb(44, 64, 169);
/* oklch */ color: oklch(42.5% 0.169 269.4);

Tailwind

colors: {
  custom: {
    50: '#7874c3',
    500: '#2c40a9',
    950: '#000000',
  },
}

SCSS

$custom: #2c40a9;
$custom-light: #7874c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40a9",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 169
  },
  "hsl": {
    "h": 230.4,
    "s": 58.685,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42495,
    "c": 0.1692,
    "h": 269.4
  },
  "luminance": 0.07067
}

Semantic roles & 50–950 ramp

primary

#2C40A9

secondary

#C3B56E

accent

#C946E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C40A9

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

Preview Lab → · Contrast checker → · Palette generator →