#2B3CA5#2B3CA5

#2B3CA5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.169 H 270.0°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CA5
RGB	rgb(43, 60, 165)
HSL	hsl(232, 59%, 41%)
HSV	hsv(232, 74%, 65%)
CMYK	cmyk(73.9%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(30.55, 30.60, -58.48)
CIE-LCH	lch(30.55, 66.00, 297.62°)
OKLab	oklab(41.33% 0.0001 -0.169)
OKLCH	oklch(41.33% 0.169 270)
XYZ	xyz(9.4013, 6.4609, 36.3416)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CA5 #A5942B

analogous

#2B79A5 #2B3CA5 #572BA5

triadic

#2B3CA5 #A52B3C #3CA52B

tetradic

#2B3CA5 #A52B79 #A5942B #2BA557

square

#2B3CA5 #A52B79 #A5942B #2BA557

split-complementary

#2B3CA5 #A5572B #79A52B

monochromatic

#121944 #1E2A74 #2B3CA5 #4054CD #717FDA

Accessibility & contrast

On white

9.16

#2B3CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2B3CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CA5

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CA5	#FFFFFF	#000000	##FFFFFF
##2B3CA5	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0042A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3ca5;
/* rgb */ color: rgb(43, 60, 165);
/* oklch */ color: oklch(41.3% 0.169 270.0);

Tailwind

colors: {
  custom: {
    50: '#7771c1',
    500: '#2b3ca5',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ca5;
$custom-light: #7771c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ca5",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 231.639,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41334,
    "c": 0.16897,
    "h": 270
  },
  "luminance": 0.06462
}

Semantic roles & 50–950 ramp

primary

#2B3CA5

secondary

#C1B56B

accent

#CC46E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3CA5

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

Preview Lab → · Contrast checker → · Palette generator →