#2B3DA6#2B3DA6

#2B3DA6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.169 H 269.8°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DA6
RGB	rgb(43, 61, 166)
HSL	hsl(231, 59%, 41%)
HSV	hsv(231, 74%, 65%)
CMYK	cmyk(74.1%, 63.3%, 0%, 34.9%)
CIE-LAB	lab(30.89, 30.32, -58.53)
CIE-LCH	lch(30.89, 65.91, 297.38°)
OKLab	oklab(41.61% -0.0006 -0.1691)
OKLCH	oklch(41.61% 0.169 269.8)
XYZ	xyz(9.5456, 6.6033, 36.8405)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DA6 #A6942B

analogous

#2B7AA6 #2B3DA6 #572BA6

triadic

#2B3DA6 #A62B3D #3DA62B

tetradic

#2B3DA6 #A62B7A #A6942B #2BA657

square

#2B3DA6 #A62B7A #A6942B #2BA657

split-complementary

#2B3DA6 #A6572B #7AA62B

monochromatic

#121945 #1E2B75 #2B3DA6 #4155CE #7181DA

Accessibility & contrast

On white

9.05

#2B3DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B3DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DA6

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DA6	#FFFFFF	#000000	##FFFFFF
##2B3DA6	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA9

Deuteranopia (green-blind)

#0043A4

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3da6;
/* rgb */ color: rgb(43, 61, 166);
/* oklch */ color: oklch(41.6% 0.169 269.8);

Tailwind

colors: {
  custom: {
    50: '#7772c1',
    500: '#2b3da6',
    950: '#000000',
  },
}

SCSS

$custom: #2b3da6;
$custom-light: #7772c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3da6",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 166
  },
  "hsl": {
    "h": 231.22,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41611,
    "c": 0.1691,
    "h": 269.8
  },
  "luminance": 0.06604
}

Semantic roles & 50–950 ramp

primary

#2B3DA6

secondary

#C1B56B

accent

#CB46E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3DA6

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

Preview Lab → · Contrast checker → · Palette generator →