#2B40A4#2B40A4

#2B40A4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.163 H 269.1°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B40A4
RGB	rgb(43, 64, 164)
HSL	hsl(230, 58%, 41%)
HSV	hsv(230, 74%, 64%)
CMYK	cmyk(73.8%, 61%, 0%, 35.7%)
CIE-LAB	lab(31.49, 27.59, -56.34)
CIE-LCH	lch(31.49, 62.74, 296.09°)
OKLab	oklab(42% -0.0027 -0.1627)
OKLCH	oklch(42% 0.163 269.1)
XYZ	xyz(9.5282, 6.8597, 35.9367)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B40A4 #A48F2B

analogous

#2B7CA4 #2B40A4 #532BA4

triadic

#2B40A4 #A42B40 #40A42B

tetradic

#2B40A4 #A42B7C #A48F2B #2BA453

square

#2B40A4 #A42B7C #A48F2B #2BA453

split-complementary

#2B40A4 #A4532B #7CA42B

monochromatic

#121A43 #1E2D74 #2B40A4 #3F58CD #7082D9

Accessibility & contrast

On white

8.85

#2B40A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B40A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40A4

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40A4	#FFFFFF	#000000	##FFFFFF
##2B40A4	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b40a4;
/* rgb */ color: rgb(43, 64, 164);
/* oklch */ color: oklch(42.0% 0.163 269.1);

Tailwind

colors: {
  custom: {
    50: '#7674c0',
    500: '#2b40a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b40a4;
$custom-light: #7674c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40a4",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 229.587,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42001,
    "c": 0.16269,
    "h": 269.1
  },
  "luminance": 0.06861
}

Semantic roles & 50–950 ramp

primary

#2B40A4

secondary

#C1B26A

accent

#C746E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B40A4

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

Preview Lab → · Contrast checker → · Palette generator →