#2B3EB3#2B3EB3

#2B3EB3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.185 H 269.4°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EB3
RGB	rgb(43, 62, 179)
HSL	hsl(232, 61%, 44%)
HSV	hsv(232, 76%, 70%)
CMYK	cmyk(76%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(32.29, 34.44, -64.00)
CIE-LCH	lch(32.29, 72.68, 298.29°)
OKLab	oklab(42.99% -0.0018 -0.1851)
OKLCH	oklch(42.99% 0.185 269.4)
XYZ	xyz(10.8528, 7.2123, 43.4592)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EB3 #B3A02B

analogous

#2B82B3 #2B3EB3 #5C2BB3

triadic

#2B3EB3 #B32B3E #3EB32B

tetradic

#2B3EB3 #B32B82 #B3A02B #2BB35C

square

#2B3EB3 #B32B82 #B3A02B #2BB35C

split-complementary

#2B3EB3 #B35C2B #82B32B

monochromatic

#131C50 #1F2D82 #2B3EB3 #485CD3 #7988DF

Accessibility & contrast

On white

8.60

#2B3EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2B3EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EB3

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EB3	#FFFFFF	#000000	##FFFFFF
##2B3EB3	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)

#0052B7

Deuteranopia (green-blind)

#0046B1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3eb3;
/* rgb */ color: rgb(43, 62, 179);
/* oklch */ color: oklch(43.0% 0.185 269.4);

Tailwind

colors: {
  custom: {
    50: '#7a73cb',
    500: '#2b3eb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eb3;
$custom-light: #7a73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eb3",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 231.618,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42994,
    "c": 0.18515,
    "h": 269.4
  },
  "luminance": 0.07214
}

Semantic roles & 50–950 ramp

primary

#2B3EB3

secondary

#C7BB73

accent

#CE43E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B3EB3

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

Preview Lab → · Contrast checker → · Palette generator →