#2F4D7B#2F4D7B

#2F4D7B is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.0% C 0.085 H 258.7°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F4D7B
RGB	rgb(47, 77, 123)
HSL	hsl(216, 45%, 33%)
HSV	hsv(216, 62%, 48%)
CMYK	cmyk(61.8%, 37.4%, 0%, 51.8%)
CIE-LAB	lab(32.57, 4.14, -29.49)
CIE-LCH	lch(32.57, 29.78, 277.99°)
OKLab	oklab(41.98% -0.0167 -0.0835)
OKLCH	oklch(41.98% 0.085 258.7)
XYZ	xyz(7.4001, 7.3415, 19.7621)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4D7B #7B5D2F

analogous

#2F737B #2F4D7B #372F7B

triadic

#2F4D7B #7B2F4D #4D7B2F

tetradic

#2F4D7B #7B2F73 #7B5D2F #2F7B37

square

#2F4D7B #7B2F73 #7B5D2F #2F7B37

split-complementary

#2F4D7B #7B372F #737B2F

monochromatic

#0D1622 #1E314F #2F4D7B #4069A7 #6288C3

Accessibility & contrast

On white

8.51

#2F4D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F4D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4D7B

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4D7B	#FFFFFF	#000000	##FFFFFF
##2F4D7B	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A517D

Deuteranopia (green-blind)

#30497A

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f4d7b;
/* rgb */ color: rgb(47, 77, 123);
/* oklch */ color: oklch(42.0% 0.085 258.7);

Tailwind

colors: {
  custom: {
    50: '#6f7ea1',
    500: '#2f4d7b',
    950: '#000000',
  },
}

SCSS

$custom: #2f4d7b;
$custom-light: #6f7ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4d7b",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 123
  },
  "hsl": {
    "h": 216.316,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.41983,
    "c": 0.08518,
    "h": 258.7
  },
  "luminance": 0.07342
}

Semantic roles & 50–950 ramp

primary

#2F4D7B

secondary

#AA8B5C

accent

#A153D4

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #2F4D7B

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

Preview Lab → · Contrast checker → · Palette generator →