#2B3CA6#2B3CA6

#2B3CA6 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.170 H 270.0°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CA6
RGB	rgb(43, 60, 166)
HSL	hsl(232, 59%, 41%)
HSV	hsv(232, 74%, 65%)
CMYK	cmyk(74.1%, 63.9%, 0%, 34.9%)
CIE-LAB	lab(30.63, 30.97, -58.94)
CIE-LCH	lch(30.63, 66.58, 297.72°)
OKLab	oklab(41.43% 0.0001 -0.1703)
OKLCH	oklch(41.43% 0.17 270)
XYZ	xyz(9.4927, 6.4975, 36.8229)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CA6 #A6952B

analogous

#2B79A6 #2B3CA6 #572BA6

triadic

#2B3CA6 #A62B3C #3CA62B

tetradic

#2B3CA6 #A62B79 #A6952B #2BA657

square

#2B3CA6 #A62B79 #A6952B #2BA657

split-complementary

#2B3CA6 #A6572B #79A62B

monochromatic

#121945 #1E2A75 #2B3CA6 #4154CE #7180DA

Accessibility & contrast

On white

9.13

#2B3CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2B3CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CA6

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CA6	#FFFFFF	#000000	##FFFFFF
##2B3CA6	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA9

Deuteranopia (green-blind)

#0042A4

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3ca6;
/* rgb */ color: rgb(43, 60, 166);
/* oklch */ color: oklch(41.4% 0.170 270.0);

Tailwind

colors: {
  custom: {
    50: '#7771c1',
    500: '#2b3ca6',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ca6;
$custom-light: #7771c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ca6",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 166
  },
  "hsl": {
    "h": 231.707,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41425,
    "c": 0.17032,
    "h": 270
  },
  "luminance": 0.06498
}

Semantic roles & 50–950 ramp

primary

#2B3CA6

secondary

#C1B66B

accent

#CC46E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3CA6

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

Preview Lab → · Contrast checker → · Palette generator →