#2B3DB2#2B3DB2

#2B3DB2 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.185 H 269.6°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DB2
RGB	rgb(43, 61, 178)
HSL	hsl(232, 61%, 43%)
HSV	hsv(232, 76%, 70%)
CMYK	cmyk(75.8%, 65.7%, 0%, 30.2%)
CIE-LAB	lab(31.95, 34.72, -63.96)
CIE-LCH	lch(31.95, 72.77, 298.50°)
OKLab	oklab(42.72% -0.0012 -0.185)
OKLCH	oklch(42.72% 0.185 269.6)
XYZ	xyz(10.6981, 7.0643, 42.9106)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DB2 #B2A02B

analogous

#2B80B2 #2B3DB2 #5C2BB2

triadic

#2B3DB2 #B22B3D #3DB22B

tetradic

#2B3DB2 #B22B80 #B2A02B #2BB25C

square

#2B3DB2 #B22B80 #B2A02B #2BB25C

split-complementary

#2B3DB2 #B25C2B #80B22B

monochromatic

#131B4F #1F2C81 #2B3DB2 #485AD3 #7986DF

Accessibility & contrast

On white

8.70

#2B3DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2B3DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DB2

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DB2	#FFFFFF	#000000	##FFFFFF
##2B3DB2	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3db2;
/* rgb */ color: rgb(43, 61, 178);
/* oklch */ color: oklch(42.7% 0.185 269.6);

Tailwind

colors: {
  custom: {
    50: '#7a72ca',
    500: '#2b3db2',
    950: '#000000',
  },
}

SCSS

$custom: #2b3db2;
$custom-light: #7a72ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3db2",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 178
  },
  "hsl": {
    "h": 232,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42723,
    "c": 0.185,
    "h": 269.6
  },
  "luminance": 0.07065
}

Semantic roles & 50–950 ramp

primary

#2B3DB2

secondary

#C7BB72

accent

#CF44E4

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B3DB2

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

Preview Lab → · Contrast checker → · Palette generator →