#2B287F#2B287F

#2B287F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.142 H 277.3°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B287F
RGB	rgb(43, 40, 127)
HSL	hsl(242, 52%, 33%)
HSV	hsv(242, 69%, 50%)
CMYK	cmyk(66.1%, 68.5%, 0%, 50.2%)
CIE-LAB	lab(22.17, 29.85, -48.76)
CIE-LCH	lch(22.17, 57.17, 301.48°)
OKLab	oklab(34.15% 0.0181 -0.1406)
OKLCH	oklch(34.15% 0.142 277.3)
XYZ	xyz(5.5846, 3.5630, 20.4680)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B287F #7C7F28

analogous

#28507F #2B287F #56287F

triadic

#2B287F #7F2B28 #287F2B

tetradic

#2B287F #7F2850 #7C7F28 #287F56

square

#2B287F #7F2850 #7C7F28 #287F56

split-complementary

#2B287F #7F5628 #507F28

monochromatic

#0B0B22 #1B1950 #2B287F #3B37AE #5B57CA

Accessibility & contrast

On white

12.26

#2B287F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2B287F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B287F

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B287F	#FFFFFF	#000000	##FFFFFF
##2B287F	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#003F50

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b287f;
/* rgb */ color: rgb(43, 40, 127);
/* oklch */ color: oklch(34.2% 0.142 277.3);

Tailwind

colors: {
  custom: {
    50: '#7062a5',
    500: '#2b287f',
    950: '#000000',
  },
}

SCSS

$custom: #2b287f;
$custom-light: #7062a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b287f",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 127
  },
  "hsl": {
    "h": 242.069,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34151,
    "c": 0.14176,
    "h": 277.3
  },
  "luminance": 0.03563
}

Semantic roles & 50–950 ramp

primary

#2B287F

secondary

#ACAF54

accent

#DC4CD7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B287F

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

Preview Lab → · Contrast checker → · Palette generator →