#2F487B#2F487B

#2F487B is a dark, moderate blue. Relative luminance 0.067; OKLCH L 40.8% C 0.091 H 263.2°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F487B
RGB	rgb(47, 72, 123)
HSL	hsl(220, 45%, 33%)
HSV	hsv(220, 62%, 48%)
CMYK	cmyk(61.8%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(31.04, 7.46, -31.92)
CIE-LCH	lch(31.04, 32.78, 283.15°)
OKLab	oklab(40.79% -0.0108 -0.0907)
OKLCH	oklch(40.79% 0.091 263.2)
XYZ	xyz(7.0636, 6.6685, 19.6500)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F487B #7B622F

analogous

#2F6E7B #2F487B #3C2F7B

triadic

#2F487B #7B2F48 #487B2F

tetradic

#2F487B #7B2F6E #7B622F #2F7B3C

square

#2F487B #7B2F6E #7B622F #2F7B3C

split-complementary

#2F487B #7B3C2F #6E7B2F

monochromatic

#0D1422 #1E2E4F #2F487B #4062A7 #6282C3

Accessibility & contrast

On white

9.00

#2F487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2F487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F487B

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F487B	#FFFFFF	#000000	##FFFFFF
##2F487B	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7D

Deuteranopia (green-blind)

#28467A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f487b;
/* rgb */ color: rgb(47, 72, 123);
/* oklch */ color: oklch(40.8% 0.091 263.2);

Tailwind

colors: {
  custom: {
    50: '#6f7aa1',
    500: '#2f487b',
    950: '#000000',
  },
}

SCSS

$custom: #2f487b;
$custom-light: #6f7aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f487b",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 220.263,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40794,
    "c": 0.09132,
    "h": 263.2
  },
  "luminance": 0.06669
}

Semantic roles & 50–950 ramp

primary

#2F487B

secondary

#AA905C

accent

#AA53D4

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #2F487B

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

Preview Lab → · Contrast checker → · Palette generator →