#2A40A0#2A40A0

#2A40A0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.157 H 268.7°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A40A0
RGB	rgb(42, 64, 160)
HSL	hsl(229, 58%, 40%)
HSV	hsv(229, 74%, 63%)
CMYK	cmyk(73.8%, 60%, 0%, 37.3%)
CIE-LAB	lab(31.10, 25.96, -54.55)
CIE-LCH	lch(31.10, 60.42, 295.45°)
OKLab	oklab(41.6% -0.0037 -0.1574)
OKLCH	oklch(41.6% 0.157 268.7)
XYZ	xyz(9.1312, 6.6961, 34.0621)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A40A0 #A08A2A

analogous

#2A7BA0 #2A40A0 #4F2AA0

triadic

#2A40A0 #A02A40 #40A02A

tetradic

#2A40A0 #A02A7B #A08A2A #2AA04F

square

#2A40A0 #A02A7B #A08A2A #2AA04F

split-complementary

#2A40A0 #A04F2A #7BA02A

monochromatic

#11193F #1D2D70 #2A40A0 #3C56CC #6C80D8

Accessibility & contrast

On white

8.98

#2A40A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2A40A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A40A0

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A40A0	#FFFFFF	#000000	##FFFFFF
##2A40A0	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00449E

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a40a0;
/* rgb */ color: rgb(42, 64, 160);
/* oklch */ color: oklch(41.6% 0.157 268.7);

Tailwind

colors: {
  custom: {
    50: '#7574bd',
    500: '#2a40a0',
    950: '#000000',
  },
}

SCSS

$custom: #2a40a0;
$custom-light: #7574bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a40a0",
  "rgb": {
    "r": 42,
    "g": 64,
    "b": 160
  },
  "hsl": {
    "h": 228.814,
    "s": 58.416,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41602,
    "c": 0.15747,
    "h": 268.7
  },
  "luminance": 0.06697
}

Semantic roles & 50–950 ramp

primary

#2A40A0

secondary

#BFAF67

accent

#C546E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2A40A0

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

Preview Lab → · Contrast checker → · Palette generator →