#2B3C9F#2B3C9F

#2B3C9F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.161 H 270.1°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C9F
RGB	rgb(43, 60, 159)
HSL	hsl(231, 57%, 40%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(73%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(30.03, 28.38, -55.70)
CIE-LCH	lch(30.03, 62.51, 297.00°)
OKLab	oklab(40.79% 0.0003 -0.1608)
OKLCH	oklch(40.79% 0.161 270.1)
XYZ	xyz(8.8680, 6.2476, 33.5327)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C9F #9F8E2B

analogous

#2B769F #2B3C9F #542B9F

triadic

#2B3C9F #9F2B3C #3C9F2B

tetradic

#2B3C9F #9F2B76 #9F8E2B #2B9F54

square

#2B3C9F #9F2B76 #9F8E2B #2B9F54

split-complementary

#2B3C9F #9F542B #769F2B

monochromatic

#11183F #1E2A6F #2B3C9F #3D52CA #6D7DD7

Accessibility & contrast

On white

9.33

#2B3C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2B3C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C9F

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C9F	#FFFFFF	#000000	##FFFFFF
##2B3C9F	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3c9f;
/* rgb */ color: rgb(43, 60, 159);
/* oklch */ color: oklch(40.8% 0.161 270.1);

Tailwind

colors: {
  custom: {
    50: '#7571bc',
    500: '#2b3c9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c9f;
$custom-light: #7571bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c9f",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 231.207,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40791,
    "c": 0.16083,
    "h": 270.1
  },
  "luminance": 0.06249
}

Semantic roles & 50–950 ramp

primary

#2B3C9F

secondary

#BEB267

accent

#CA47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3C9F

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

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