#2B3FA7#2B3FA7

#2B3FA7 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.168 H 269.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B3FA7
RGB	rgb(43, 63, 167)
HSL	hsl(230, 59%, 41%)
HSV	hsv(230, 74%, 65%)
CMYK	cmyk(74.3%, 62.3%, 0%, 34.5%)
CIE-LAB	lab(31.48, 29.37, -58.16)
CIE-LCH	lch(31.48, 65.15, 296.80°)
OKLab	oklab(42.08% -0.002 -0.168)
OKLCH	oklch(42.08% 0.168 269.3)
XYZ	xyz(9.7464, 6.8576, 37.3617)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3FA7 #A7932B

analogous

#2B7DA7 #2B3FA7 #552BA7

triadic

#2B3FA7 #A72B3F #3FA72B

tetradic

#2B3FA7 #A72B7D #A7932B #2BA755

square

#2B3FA7 #A72B7D #A7932B #2BA755

split-complementary

#2B3FA7 #A7552B #7DA72B

monochromatic

#121A46 #1E2D76 #2B3FA7 #4158CE #7283DB

Accessibility & contrast

On white

8.85

#2B3FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B3FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3FA7

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3FA7	#FFFFFF	#000000	##FFFFFF
##2B3FA7	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AA

Deuteranopia (green-blind)

#0044A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3fa7;
/* rgb */ color: rgb(43, 63, 167);
/* oklch */ color: oklch(42.1% 0.168 269.3);

Tailwind

colors: {
  custom: {
    50: '#7774c2',
    500: '#2b3fa7',
    950: '#000000',
  },
}

SCSS

$custom: #2b3fa7;
$custom-light: #7774c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3fa7",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 167
  },
  "hsl": {
    "h": 230.323,
    "s": 59.048,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42076,
    "c": 0.168,
    "h": 269.3
  },
  "luminance": 0.06859
}

Semantic roles & 50–950 ramp

primary

#2B3FA7

secondary

#C2B46C

accent

#C946E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3FA7

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

Preview Lab → · Contrast checker → · Palette generator →