#2B305B#2B305B

#2B305B is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.076 H 276.4°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B305B
RGB	rgb(43, 48, 91)
HSL	hsl(234, 36%, 26%)
HSV	hsv(234, 53%, 36%)
CMYK	cmyk(52.7%, 47.3%, 0%, 64.3%)
CIE-LAB	lab(21.52, 11.35, -26.57)
CIE-LCH	lch(21.52, 28.89, 293.14°)
OKLab	oklab(32.77% 0.0084 -0.0753)
OKLCH	oklch(32.77% 0.076 276.4)
XYZ	xyz(3.9410, 3.3826, 10.3407)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B305B #5B562B

analogous

#2B485B #2B305B #3E2B5B

triadic

#2B305B #5B2B30 #305B2B

tetradic

#2B305B #5B2B48 #5B562B #2B5B3E

square

#2B305B #5B2B48 #5B562B #2B5B3E

split-complementary

#2B305B #5B3E2B #485B2B

monochromatic

#0A0B15 #171A31 #2B305B #3F4685 #535CAE

Accessibility & contrast

On white

12.53

#2B305B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2B305B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B305B

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B305B	#FFFFFF	#000000	##FFFFFF
##2B305B	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F365D

Deuteranopia (green-blind)

#1A325A

Tritanopia (blue-blind)

#183941

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b305b;
/* rgb */ color: rgb(43, 48, 91);
/* oklch */ color: oklch(32.8% 0.076 276.4);

Tailwind

colors: {
  custom: {
    50: '#68688a',
    500: '#2b305b',
    950: '#000000',
  },
}

SCSS

$custom: #2b305b;
$custom-light: #68688a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b305b",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 91
  },
  "hsl": {
    "h": 233.75,
    "s": 35.821,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32771,
    "c": 0.07581,
    "h": 276.4
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary

#2B305B

secondary

#8D8755

accent

#C05CCC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #2B305B

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

Preview Lab → · Contrast checker → · Palette generator →