#2B3FAE#2B3FAE

#2B3FAE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.177 H 269.3°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B3FAE
RGB	rgb(43, 63, 174)
HSL	hsl(231, 60%, 43%)
HSV	hsv(231, 75%, 68%)
CMYK	cmyk(75.3%, 63.8%, 0%, 31.8%)
CIE-LAB	lab(32.09, 31.96, -61.35)
CIE-LCH	lch(32.09, 69.18, 297.52°)
OKLab	oklab(42.71% -0.0022 -0.1774)
OKLCH	oklch(42.71% 0.177 269.3)
XYZ	xyz(10.4111, 7.1235, 40.8625)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3FAE #AE9A2B

analogous

#2B80AE #2B3FAE #592BAE

triadic

#2B3FAE #AE2B3F #3FAE2B

tetradic

#2B3FAE #AE2B80 #AE9A2B #2BAE59

square

#2B3FAE #AE2B80 #AE9A2B #2BAE59

split-complementary

#2B3FAE #AE592B #80AE2B

monochromatic

#131B4C #1F2D7D #2B3FAE #455AD1 #7686DD

Accessibility & contrast

On white

8.66

#2B3FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2B3FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3FAE

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3FAE	#FFFFFF	#000000	##FFFFFF
##2B3FAE	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0045AC

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3fae;
/* rgb */ color: rgb(43, 63, 174);
/* oklch */ color: oklch(42.7% 0.177 269.3);

Tailwind

colors: {
  custom: {
    50: '#7874c7',
    500: '#2b3fae',
    950: '#000000',
  },
}

SCSS

$custom: #2b3fae;
$custom-light: #7874c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3fae",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 174
  },
  "hsl": {
    "h": 230.84,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42711,
    "c": 0.17738,
    "h": 269.3
  },
  "luminance": 0.07125
}

Semantic roles & 50–950 ramp

primary

#2B3FAE

secondary

#C5B870

accent

#CB44E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3FAE

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

Preview Lab → · Contrast checker → · Palette generator →