#2F447B#2F447B

#2F447B is a dark, moderate blue. Relative luminance 0.062; OKLCH L 39.9% C 0.097 H 266.4°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F447B
RGB	rgb(47, 68, 123)
HSL	hsl(223, 45%, 33%)
HSV	hsv(223, 62%, 48%)
CMYK	cmyk(61.8%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(29.83, 10.15, -33.84)
CIE-LCH	lch(29.83, 35.33, 286.69°)
OKLab	oklab(39.86% -0.0061 -0.0964)
OKLCH	oklch(39.86% 0.097 266.4)
XYZ	xyz(6.8133, 6.1681, 19.5666)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F447B #7B662F

analogous

#2F6A7B #2F447B #402F7B

triadic

#2F447B #7B2F44 #447B2F

tetradic

#2F447B #7B2F6A #7B662F #2F7B40

square

#2F447B #7B2F6A #7B662F #2F7B40

split-complementary

#2F447B #7B402F #6A7B2F

monochromatic

#0D1322 #1E2C4F #2F447B #405CA7 #627CC3

Accessibility & contrast

On white

9.40

#2F447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F447B

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F447B	#FFFFFF	#000000	##FFFFFF
##2F447B	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4A7D

Deuteranopia (green-blind)

#21437A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f447b;
/* rgb */ color: rgb(47, 68, 123);
/* oklch */ color: oklch(39.9% 0.097 266.4);

Tailwind

colors: {
  custom: {
    50: '#6f77a1',
    500: '#2f447b',
    950: '#000000',
  },
}

SCSS

$custom: #2f447b;
$custom-light: #6f77a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f447b",
  "rgb": {
    "r": 47,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 223.421,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.39864,
    "c": 0.09655,
    "h": 266.4
  },
  "luminance": 0.06169
}

Semantic roles & 50–950 ramp

primary

#2F447B

secondary

#AA945C

accent

#B153D4

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F447B

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

Preview Lab → · Contrast checker → · Palette generator →