#2B40A2#2B40A2

#2B40A2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.160 H 269.0°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B40A2
RGB	rgb(43, 64, 162)
HSL	hsl(229, 58%, 40%)
HSV	hsv(229, 73%, 64%)
CMYK	cmyk(73.5%, 60.5%, 0%, 36.5%)
CIE-LAB	lab(31.32, 26.84, -55.41)
CIE-LCH	lch(31.32, 61.57, 295.85°)
OKLab	oklab(41.83% -0.0027 -0.1599)
OKLCH	oklch(41.83% 0.16 269)
XYZ	xyz(9.3490, 6.7880, 34.9929)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B40A2 #A28D2B

analogous

#2B7BA2 #2B40A2 #522BA2

triadic

#2B40A2 #A22B40 #40A22B

tetradic

#2B40A2 #A22B7B #A28D2B #2BA252

square

#2B40A2 #A22B7B #A28D2B #2BA252

split-complementary

#2B40A2 #A2522B #7BA22B

monochromatic

#111A41 #1E2D72 #2B40A2 #3E57CC #6F81D9

Accessibility & contrast

On white

8.91

#2B40A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2B40A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40A2

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40A2	#FFFFFF	#000000	##FFFFFF
##2B40A2	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	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: #2b40a2;
/* rgb */ color: rgb(43, 64, 162);
/* oklch */ color: oklch(41.8% 0.160 269.0);

Tailwind

colors: {
  custom: {
    50: '#7574be',
    500: '#2b40a2',
    950: '#000000',
  },
}

SCSS

$custom: #2b40a2;
$custom-light: #7574be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40a2",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 162
  },
  "hsl": {
    "h": 229.412,
    "s": 58.049,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41826,
    "c": 0.15994,
    "h": 269
  },
  "luminance": 0.06789
}

Semantic roles & 50–950 ramp

primary

#2B40A2

secondary

#C0B069

accent

#C647E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B40A2

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

Preview Lab → · Contrast checker → · Palette generator →