#2B306F#2B306F

#2B306F is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.3% C 0.108 H 275.7°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B306F
RGB	rgb(43, 48, 111)
HSL	hsl(236, 44%, 30%)
HSV	hsv(236, 61%, 44%)
CMYK	cmyk(61.3%, 56.8%, 0%, 56.5%)
CIE-LAB	lab(22.91, 18.64, -37.35)
CIE-LCH	lch(22.91, 41.74, 296.52°)
OKLab	oklab(34.28% 0.0107 -0.107)
OKLCH	oklch(34.28% 0.108 275.7)
XYZ	xyz(4.9215, 3.7748, 15.5051)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B306F #6F6A2B

analogous

#2B526F #2B306F #482B6F

triadic

#2B306F #6F2B30 #306F2B

tetradic

#2B306F #6F2B52 #6F6A2B #2B6F48

square

#2B306F #6F2B52 #6F6A2B #2B6F48

split-complementary

#2B306F #6F482B #526F2B

monochromatic

#090A17 #1A1D43 #2B306F #3C439B #575EBE

Accessibility & contrast

On white

11.97

#2B306F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B306F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B306F

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B306F	#FFFFFF	#000000	##FFFFFF
##2B306F	1.00	11.97	1.76	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073A71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b306f;
/* rgb */ color: rgb(43, 48, 111);
/* oklch */ color: oklch(34.3% 0.108 275.7);

Tailwind

colors: {
  custom: {
    50: '#6b6899',
    500: '#2b306f',
    950: '#000000',
  },
}

SCSS

$custom: #2b306f;
$custom-light: #6b6899;
$custom-dark: #000000;

JSON

{
  "hex": "#2b306f",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 235.588,
    "s": 44.156,
    "l": 30.196
  },
  "oklch": {
    "l": 0.34276,
    "c": 0.10756,
    "h": 275.7
  },
  "luminance": 0.03775
}

Semantic roles & 50–950 ramp

primary

#2B306F

secondary

#A19B55

accent

#CA54D4

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B306F

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

Preview Lab → · Contrast checker → · Palette generator →