#2F4DA5#2F4DA5

#2F4DA5 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.9% C 0.146 H 266.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DA5
RGB	rgb(47, 77, 165)
HSL	hsl(225, 56%, 42%)
HSV	hsv(225, 72%, 65%)
CMYK	cmyk(71.5%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(35.26, 19.85, -50.81)
CIE-LCH	lch(35.26, 54.55, 291.34°)
OKLab	oklab(44.91% -0.0093 -0.1461)
OKLCH	oklch(44.91% 0.146 266.3)
XYZ	xyz(10.6153, 8.6276, 36.6959)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DA5 #A5872F

analogous

#2F88A5 #2F4DA5 #4C2FA5

triadic

#2F4DA5 #A52F4D #4DA52F

tetradic

#2F4DA5 #A52F88 #A5872F #2FA54C

square

#2F4DA5 #A52F88 #A5872F #2FA54C

split-complementary

#2F4DA5 #A54C2F #88A52F

monochromatic

#142146 #213775 #2F4DA5 #4768CB #768FD8

Accessibility & contrast

On white

7.70

#2F4DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2F4DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DA5

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DA5	#FFFFFF	#000000	##FFFFFF
##2F4DA5	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1059A8

Deuteranopia (green-blind)

#004EA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4da5;
/* rgb */ color: rgb(47, 77, 165);
/* oklch */ color: oklch(44.9% 0.146 266.3);

Tailwind

colors: {
  custom: {
    50: '#777ec0',
    500: '#2f4da5',
    950: '#000000',
  },
}

SCSS

$custom: #2f4da5;
$custom-light: #777ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4da5",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 224.746,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44908,
    "c": 0.14642,
    "h": 266.3
  },
  "luminance": 0.08629
}

Semantic roles & 50–950 ramp

primary

#2F4DA5

secondary

#C0AC70

accent

#B949DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F4DA5

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

Preview Lab → · Contrast checker → · Palette generator →