#2B3D9E#2B3D9E

#2B3D9E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.158 H 269.8°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D9E
RGB	rgb(43, 61, 158)
HSL	hsl(231, 57%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(72.8%, 61.4%, 0%, 38%)
CIE-LAB	lab(30.20, 27.34, -54.81)
CIE-LCH	lch(30.20, 61.25, 296.51°)
OKLab	oklab(40.89% -0.0004 -0.1582)
OKLCH	oklch(40.89% 0.158 269.8)
XYZ	xyz(8.8344, 6.3188, 33.0952)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D9E #9E8C2B

analogous

#2B779E #2B3D9E #532B9E

triadic

#2B3D9E #9E2B3D #3D9E2B

tetradic

#2B3D9E #9E2B77 #9E8C2B #2B9E53

square

#2B3D9E #9E2B77 #9E8C2B #2B9E53

split-complementary

#2B3D9E #9E532B #779E2B

monochromatic

#11183E #1E2A6E #2B3D9E #3C52CA #6C7DD7

Accessibility & contrast

On white

9.28

#2B3D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B3D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D9E

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D9E	#FFFFFF	#000000	##FFFFFF
##2B3D9E	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3d9e;
/* rgb */ color: rgb(43, 61, 158);
/* oklch */ color: oklch(40.9% 0.158 269.8);

Tailwind

colors: {
  custom: {
    50: '#7572bb',
    500: '#2b3d9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d9e;
$custom-light: #7572bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d9e",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 230.609,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40894,
    "c": 0.1582,
    "h": 269.8
  },
  "luminance": 0.0632
}

Semantic roles & 50–950 ramp

primary

#2B3D9E

secondary

#BEB067

accent

#C947E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B3D9E

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

Preview Lab → · Contrast checker → · Palette generator →