#2B3E8F#2B3E8F

#2B3E8F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.136 H 269.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E8F
RGB	rgb(43, 62, 143)
HSL	hsl(229, 54%, 36%)
HSV	hsv(229, 70%, 56%)
CMYK	cmyk(69.9%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(29.26, 21.01, -47.18)
CIE-LCH	lch(29.26, 51.65, 294.01°)
OKLab	oklab(39.81% -0.0016 -0.1358)
OKLCH	oklch(39.81% 0.136 269.3)
XYZ	xyz(7.6751, 5.9413, 26.7236)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E8F #8F7C2B

analogous

#2B708F #2B3E8F #4A2B8F

triadic

#2B3E8F #8F2B3E #3E8F2B

tetradic

#2B3E8F #8F2B70 #8F7C2B #2B8F4A

square

#2B3E8F #8F2B70 #8F7C2B #2B8F4A

split-complementary

#2B3E8F #8F4A2B #708F2B

monochromatic

#0F1531 #1D2A60 #2B3E8F #3952BE #6479D0

Accessibility & contrast

On white

9.60

#2B3E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2B3E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E8F

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E8F	#FFFFFF	#000000	##FFFFFF
##2B3E8F	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b3e8f;
/* rgb */ color: rgb(43, 62, 143);
/* oklch */ color: oklch(39.8% 0.136 269.3);

Tailwind

colors: {
  custom: {
    50: '#7173b0',
    500: '#2b3e8f',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e8f;
$custom-light: #7173b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e8f",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 228.6,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39814,
    "c": 0.13577,
    "h": 269.3
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#2B3E8F

secondary

#B7A65F

accent

#C14BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B3E8F

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

Preview Lab → · Contrast checker → · Palette generator →