#2B306C#2B306C

#2B306C is a dark, moderate blue. Relative luminance 0.037; OKLCH L 34.0% C 0.103 H 275.9°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#2B306C
RGB	rgb(43, 48, 108)
HSL	hsl(235, 43%, 30%)
HSV	hsv(235, 60%, 42%)
CMYK	cmyk(60.2%, 55.6%, 0%, 57.6%)
CIE-LAB	lab(22.69, 17.53, -35.78)
CIE-LCH	lch(22.69, 39.84, 296.10°)
OKLab	oklab(34.04% 0.0106 -0.1024)
OKLCH	oklch(34.04% 0.103 275.9)
XYZ	xyz(4.7591, 3.7099, 14.6497)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B306C #6C672B

analogous

#2B506C #2B306C #472B6C

triadic

#2B306C #6C2B30 #306C2B

tetradic

#2B306C #6C2B50 #6C672B #2B6C47

square

#2B306C #6C2B50 #6C672B #2B6C47

split-complementary

#2B306C #6C472B #506C2B

monochromatic

#090A16 #1A1D40 #2B306C #3C4398 #565EBC

Accessibility & contrast

On white

12.06

#2B306C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2B306C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B306C

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B306C	#FFFFFF	#000000	##FFFFFF
##2B306C	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D396E

Deuteranopia (green-blind)

#00346B

Tritanopia (blue-blind)

#043E49

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b306c;
/* rgb */ color: rgb(43, 48, 108);
/* oklch */ color: oklch(34.0% 0.103 275.9);

Tailwind

colors: {
  custom: {
    50: '#6b6896',
    500: '#2b306c',
    950: '#000000',
  },
}

SCSS

$custom: #2b306c;
$custom-light: #6b6896;
$custom-dark: #000000;

JSON

{
  "hex": "#2b306c",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 108
  },
  "hsl": {
    "h": 235.385,
    "s": 43.046,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34036,
    "c": 0.10294,
    "h": 275.9
  },
  "luminance": 0.0371
}

Semantic roles & 50–950 ramp

primary

#2B306C

secondary

#9E9855

accent

#C955D3

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B306C

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

Preview Lab → · Contrast checker → · Palette generator →