#2B306A#2B306A

#2B306A is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.100 H 276.0°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B306A
RGB	rgb(43, 48, 106)
HSL	hsl(235, 42%, 29%)
HSV	hsv(235, 59%, 42%)
CMYK	cmyk(59.4%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(22.54, 16.79, -34.72)
CIE-LCH	lch(22.54, 38.57, 295.81°)
OKLab	oklab(33.88% 0.0104 -0.0993)
OKLCH	oklch(33.88% 0.1 276)
XYZ	xyz(4.6539, 3.6678, 14.0956)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B306A #6A652B

analogous

#2B506A #2B306A #462B6A

triadic

#2B306A #6A2B30 #306A2B

tetradic

#2B306A #6A2B50 #6A652B #2B6A46

square

#2B306A #6A2B50 #6A652B #2B6A46

split-complementary

#2B306A #6A462B #506A2B

monochromatic

#090A16 #191C3E #2B306A #3D4496 #555DBA

Accessibility & contrast

On white

12.11

#2B306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2B306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B306A

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B306A	#FFFFFF	#000000	##FFFFFF
##2B306A	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10396C

Deuteranopia (green-blind)

#053369

Tritanopia (blue-blind)

#083D48

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b306a;
/* rgb */ color: rgb(43, 48, 106);
/* oklch */ color: oklch(33.9% 0.100 276.0);

Tailwind

colors: {
  custom: {
    50: '#6a6895',
    500: '#2b306a',
    950: '#000000',
  },
}

SCSS

$custom: #2b306a;
$custom-light: #6a6895;
$custom-dark: #000000;

JSON

{
  "hex": "#2b306a",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 235.238,
    "s": 42.282,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33879,
    "c": 0.09984,
    "h": 276
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#2B306A

secondary

#9C9655

accent

#C856D2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B306A

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

Preview Lab → · Contrast checker → · Palette generator →