#2B3BA5#2B3BA5

#2B3BA5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.170 H 270.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BA5
RGB	rgb(43, 59, 165)
HSL	hsl(232, 59%, 41%)
HSV	hsv(232, 74%, 65%)
CMYK	cmyk(73.9%, 64.2%, 0%, 35.3%)
CIE-LAB	lab(30.30, 31.26, -58.89)
CIE-LCH	lch(30.30, 66.67, 297.96°)
OKLab	oklab(41.15% 0.0008 -0.1702)
OKLCH	oklch(41.15% 0.17 270.3)
XYZ	xyz(9.3494, 6.3572, 36.3243)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BA5 #A5952B

analogous

#2B78A5 #2B3BA5 #582BA5

triadic

#2B3BA5 #A52B3B #3BA52B

tetradic

#2B3BA5 #A52B78 #A5952B #2BA558

square

#2B3BA5 #A52B78 #A5952B #2BA558

split-complementary

#2B3BA5 #A5582B #78A52B

monochromatic

#121844 #1E2A74 #2B3BA5 #4053CD #717EDA

Accessibility & contrast

On white

9.24

#2B3BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B3BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BA5

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BA5	#FFFFFF	#000000	##FFFFFF
##2B3BA5	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0042A3

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3ba5;
/* rgb */ color: rgb(43, 59, 165);
/* oklch */ color: oklch(41.1% 0.170 270.3);

Tailwind

colors: {
  custom: {
    50: '#7771c1',
    500: '#2b3ba5',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ba5;
$custom-light: #7771c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ba5",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 165
  },
  "hsl": {
    "h": 232.131,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41149,
    "c": 0.17018,
    "h": 270.3
  },
  "luminance": 0.06358
}

Semantic roles & 50–950 ramp

primary

#2B3BA5

secondary

#C1B66B

accent

#CD46E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3BA5

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

Preview Lab → · Contrast checker → · Palette generator →