#2B3DB3#2B3DB3

#2B3DB3 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.186 H 269.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DB3
RGB	rgb(43, 61, 179)
HSL	hsl(232, 61%, 44%)
HSV	hsv(232, 76%, 70%)
CMYK	cmyk(76%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(32.04, 35.08, -64.40)
CIE-LCH	lch(32.04, 73.34, 298.58°)
OKLab	oklab(42.82% -0.0012 -0.1863)
OKLCH	oklch(42.82% 0.186 269.6)
XYZ	xyz(10.7989, 7.1046, 43.4413)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DB3 #B3A12B

analogous

#2B81B3 #2B3DB3 #5D2BB3

triadic

#2B3DB3 #B32B3D #3DB32B

tetradic

#2B3DB3 #B32B81 #B3A12B #2BB35D

square

#2B3DB3 #B32B81 #B3A12B #2BB35D

split-complementary

#2B3DB3 #B35D2B #81B32B

monochromatic

#131B50 #1F2C82 #2B3DB3 #485BD3 #7987DF

Accessibility & contrast

On white

8.67

#2B3DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2B3DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DB3

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DB3	#FFFFFF	#000000	##FFFFFF
##2B3DB3	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3db3;
/* rgb */ color: rgb(43, 61, 179);
/* oklch */ color: oklch(42.8% 0.186 269.6);

Tailwind

colors: {
  custom: {
    50: '#7a72cb',
    500: '#2b3db3',
    950: '#000000',
  },
}

SCSS

$custom: #2b3db3;
$custom-light: #7a72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3db3",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 232.059,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42817,
    "c": 0.1863,
    "h": 269.6
  },
  "luminance": 0.07106
}

Semantic roles & 50–950 ramp

primary

#2B3DB3

secondary

#C7BC73

accent

#CF43E4

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B3DB3

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

Preview Lab → · Contrast checker → · Palette generator →