#2D40AC#2D40AC

#2D40AC is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.173 H 269.7°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2D40AC
RGB	rgb(45, 64, 172)
HSL	hsl(231, 59%, 43%)
HSV	hsv(231, 74%, 67%)
CMYK	cmyk(73.8%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.26, 30.81, -59.87)
CIE-LCH	lch(32.26, 67.33, 297.23°)
OKLab	oklab(42.81% -0.0008 -0.173)
OKLCH	oklch(42.81% 0.173 269.7)
XYZ	xyz(10.3594, 7.2022, 39.8659)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D40AC #AC992D

analogous

#2D7FAC #2D40AC #5A2DAC

triadic

#2D40AC #AC2D40 #40AC2D

tetradic

#2D40AC #AC2D7F #AC992D #2DAC5A

square

#2D40AC #AC2D7F #AC992D #2DAC5A

split-complementary

#2D40AC #AC5A2D #7FAC2D

monochromatic

#141C4B #202E7B #2D40AC #475CCF #7887DC

Accessibility & contrast

On white

8.60

#2D40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2D40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D40AC

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D40AC	#FFFFFF	#000000	##FFFFFF
##2D40AC	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2d40ac;
/* rgb */ color: rgb(45, 64, 172);
/* oklch */ color: oklch(42.8% 0.173 269.7);

Tailwind

colors: {
  custom: {
    50: '#7974c6',
    500: '#2d40ac',
    950: '#000000',
  },
}

SCSS

$custom: #2d40ac;
$custom-light: #7974c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d40ac",
  "rgb": {
    "r": 45,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 231.024,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42814,
    "c": 0.17296,
    "h": 269.7
  },
  "luminance": 0.07203
}

Semantic roles & 50–950 ramp

primary

#2D40AC

secondary

#C4B771

accent

#CA46E2

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2D40AC

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

Preview Lab → · Contrast checker → · Palette generator →