#2B3BA1#2B3BA1

#2B3BA1 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.165 H 270.3°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BA1
RGB	rgb(43, 59, 161)
HSL	hsl(232, 58%, 40%)
HSV	hsv(232, 73%, 63%)
CMYK	cmyk(73.3%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.95, 29.78, -57.05)
CIE-LCH	lch(29.95, 64.35, 297.57°)
OKLab	oklab(40.78% 0.001 -0.1648)
OKLCH	oklch(40.78% 0.165 270.3)
XYZ	xyz(8.9911, 6.2138, 34.4368)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BA1 #A1912B

analogous

#2B76A1 #2B3BA1 #562BA1

triadic

#2B3BA1 #A12B3B #3BA12B

tetradic

#2B3BA1 #A12B76 #A1912B #2BA156

square

#2B3BA1 #A12B76 #A1912B #2BA156

split-complementary

#2B3BA1 #A1562B #76A12B

monochromatic

#111840 #1E2971 #2B3BA1 #3E51CB #6E7DD8

Accessibility & contrast

On white

9.36

#2B3BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B3BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BA1

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BA1	#FFFFFF	#000000	##FFFFFF
##2B3BA1	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00419F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3ba1;
/* rgb */ color: rgb(43, 59, 161);
/* oklch */ color: oklch(40.8% 0.165 270.3);

Tailwind

colors: {
  custom: {
    50: '#7671be',
    500: '#2b3ba1',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ba1;
$custom-light: #7671be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ba1",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 231.864,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.40783,
    "c": 0.16479,
    "h": 270.3
  },
  "luminance": 0.06215
}

Semantic roles & 50–950 ramp

primary

#2B3BA1

secondary

#BFB469

accent

#CC47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3BA1

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

Preview Lab → · Contrast checker → · Palette generator →