#2F285B#2F285B

#2F285B is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.4% C 0.088 H 286.4°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F285B
RGB	rgb(47, 40, 91)
HSL	hsl(248, 39%, 26%)
HSV	hsv(248, 56%, 36%)
CMYK	cmyk(48.4%, 56%, 0%, 64.3%)
CIE-LAB	lab(19.54, 18.04, -29.70)
CIE-LCH	lch(19.54, 34.75, 301.28°)
OKLab	oklab(31.37% 0.0249 -0.0845)
OKLCH	oklch(31.37% 0.088 286.4)
XYZ	xyz(3.8189, 2.8771, 10.2496)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F285B #545B28

analogous

#283A5B #2F285B #48285B

triadic

#2F285B #5B2F28 #285B2F

tetradic

#2F285B #5B283A #545B28 #285B48

square

#2F285B #5B283A #545B28 #285B48

split-complementary

#2F285B #5B4828 #3A5B28

monochromatic

#0B0915 #191530 #2F285B #453B86 #5B4DB0

Accessibility & contrast

On white

13.33

#2F285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#2F285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F285B

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F285B	#FFFFFF	#000000	##FFFFFF
##2F285B	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10315D

Deuteranopia (green-blind)

#0F2E5A

Tritanopia (blue-blind)

#21333D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2f285b;
/* rgb */ color: rgb(47, 40, 91);
/* oklch */ color: oklch(31.4% 0.088 286.4);

Tailwind

colors: {
  custom: {
    50: '#6b628a',
    500: '#2f285b',
    950: '#000000',
  },
}

SCSS

$custom: #2f285b;
$custom-light: #6b628a;
$custom-dark: #000000;

JSON

{
  "hex": "#2f285b",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 248.235,
    "s": 38.931,
    "l": 25.686
  },
  "oklch": {
    "l": 0.31373,
    "c": 0.08806,
    "h": 286.4
  },
  "luminance": 0.02877
}

Semantic roles & 50–950 ramp

primary

#2F285B

secondary

#858E51

accent

#CF59BF

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#07050B

muted

#7A797C

Preview Lab

Preview with #2F285B

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

Preview Lab → · Contrast checker → · Palette generator →