#2F4E7B#2F4E7B

#2F4E7B is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.2% C 0.084 H 257.7°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#2F4E7B
RGB	rgb(47, 78, 123)
HSL	hsl(216, 45%, 33%)
HSV	hsv(216, 62%, 48%)
CMYK	cmyk(61.8%, 36.6%, 0%, 51.8%)
CIE-LAB	lab(32.88, 3.48, -29.00)
CIE-LCH	lch(32.88, 29.21, 276.85°)
OKLab	oklab(42.22% -0.0179 -0.0821)
OKLCH	oklch(42.22% 0.084 257.7)
XYZ	xyz(7.4706, 7.4825, 19.7856)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4E7B #7B5C2F

analogous

#2F747B #2F4E7B #362F7B

triadic

#2F4E7B #7B2F4E #4E7B2F

tetradic

#2F4E7B #7B2F74 #7B5C2F #2F7B36

square

#2F4E7B #7B2F74 #7B5C2F #2F7B36

split-complementary

#2F4E7B #7B362F #747B2F

monochromatic

#0D1622 #1E324F #2F4E7B #406AA7 #6289C3

Accessibility & contrast

On white

8.41

#2F4E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2F4E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4E7B

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4E7B	#FFFFFF	#000000	##FFFFFF
##2F4E7B	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B517D

Deuteranopia (green-blind)

#314A7A

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f4e7b;
/* rgb */ color: rgb(47, 78, 123);
/* oklch */ color: oklch(42.2% 0.084 257.7);

Tailwind

colors: {
  custom: {
    50: '#6f7fa1',
    500: '#2f4e7b',
    950: '#000000',
  },
}

SCSS

$custom: #2f4e7b;
$custom-light: #6f7fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4e7b",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 123
  },
  "hsl": {
    "h": 215.526,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42223,
    "c": 0.08402,
    "h": 257.7
  },
  "luminance": 0.07483
}

Semantic roles & 50–950 ramp

primary

#2F4E7B

secondary

#AA8A5C

accent

#A053D4

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #2F4E7B

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

Preview Lab → · Contrast checker → · Palette generator →