#2F4F8D#2F4F8D

#2F4F8D is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.6% C 0.109 H 262.3°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F8D
RGB	rgb(47, 79, 141)
HSL	hsl(220, 50%, 37%)
HSV	hsv(220, 67%, 55%)
CMYK	cmyk(66.7%, 44%, 0%, 44.7%)
CIE-LAB	lab(34.23, 9.47, -37.95)
CIE-LCH	lch(34.23, 39.12, 284.01°)
OKLab	oklab(43.61% -0.0147 -0.1083)
OKLCH	oklch(43.61% 0.109 262.3)
XYZ	xyz(8.7743, 8.1186, 26.2988)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F8D #8D6D2F

analogous

#2F7E8D #2F4F8D #3E2F8D

triadic

#2F4F8D #8D2F4F #4F8D2F

tetradic

#2F4F8D #8D2F7E #8D6D2F #2F8D3E

square

#2F4F8D #8D2F7E #8D6D2F #2F8D3E

split-complementary

#2F4F8D #8D3E2F #7E8D2F

monochromatic

#101C31 #20355F #2F4F8D #3E69BB #698BCD

Accessibility & contrast

On white

8.00

#2F4F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2F4F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F8D

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F8D	#FFFFFF	#000000	##FFFFFF
##2F4F8D	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32558F

Deuteranopia (green-blind)

#234C8C

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f4f8d;
/* rgb */ color: rgb(47, 79, 141);
/* oklch */ color: oklch(43.6% 0.109 262.3);

Tailwind

colors: {
  custom: {
    50: '#727faf',
    500: '#2f4f8d',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f8d;
$custom-light: #727faf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f8d",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 141
  },
  "hsl": {
    "h": 219.574,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43608,
    "c": 0.10928,
    "h": 262.3
  },
  "luminance": 0.08119
}

Semantic roles & 50–950 ramp

primary

#2F4F8D

secondary

#B49964

accent

#AA4EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F4F8D

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

Preview Lab → · Contrast checker → · Palette generator →