#2A40A2#2A40A2

#2A40A2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.160 H 268.7°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A40A2
RGB	rgb(42, 64, 162)
HSL	hsl(229, 59%, 40%)
HSV	hsv(229, 74%, 64%)
CMYK	cmyk(74.1%, 60.5%, 0%, 36.5%)
CIE-LAB	lab(31.27, 26.71, -55.49)
CIE-LCH	lch(31.27, 61.59, 295.71°)
OKLab	oklab(41.78% -0.0037 -0.1602)
OKLCH	oklch(41.78% 0.16 268.7)
XYZ	xyz(9.3076, 6.7667, 34.9910)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A40A2 #A28C2A

analogous

#2A7CA2 #2A40A2 #502AA2

triadic

#2A40A2 #A22A40 #40A22A

tetradic

#2A40A2 #A22A7C #A28C2A #2AA250

square

#2A40A2 #A22A7C #A28C2A #2AA250

split-complementary

#2A40A2 #A2502A #7CA22A

monochromatic

#111A41 #1D2D71 #2A40A2 #3D57CD #6D81D9

Accessibility & contrast

On white

8.92

#2A40A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2A40A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A40A2

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A40A2	#FFFFFF	#000000	##FFFFFF
##2A40A2	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0044A0

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a40a2;
/* rgb */ color: rgb(42, 64, 162);
/* oklch */ color: oklch(41.8% 0.160 268.7);

Tailwind

colors: {
  custom: {
    50: '#7574be',
    500: '#2a40a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a40a2;
$custom-light: #7574be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a40a2",
  "rgb": {
    "r": 42,
    "g": 64,
    "b": 162
  },
  "hsl": {
    "h": 229,
    "s": 58.824,
    "l": 40
  },
  "oklch": {
    "l": 0.41776,
    "c": 0.16023,
    "h": 268.7
  },
  "luminance": 0.06768
}

Semantic roles & 50–950 ramp

primary

#2A40A2

secondary

#C0B068

accent

#C546E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A40A2

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

Preview Lab → · Contrast checker → · Palette generator →