#2F5DAA#2F5DAA

#2F5DAA is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.133 H 260.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F5DAA
RGB	rgb(47, 93, 170)
HSL	hsl(218, 57%, 43%)
HSV	hsv(218, 72%, 67%)
CMYK	cmyk(72.4%, 45.3%, 0%, 33.3%)
CIE-LAB	lab(40.14, 11.21, -45.92)
CIE-LCH	lch(40.14, 47.27, 283.71°)
OKLab	oklab(48.75% -0.023 -0.1315)
OKLCH	oklch(48.75% 0.133 260.1)
XYZ	xyz(12.3397, 11.3340, 39.5598)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5DAA #AA7C2F

analogous

#2F9AAA #2F5DAA #3F2FAA

triadic

#2F5DAA #AA2F5D #5DAA2F

tetradic

#2F5DAA #AA2F9A #AA7C2F #2FAA3F

square

#2F5DAA #AA2F9A #AA7C2F #2FAA3F

split-complementary

#2F5DAA #AA3F2F #9AAA2F

monochromatic

#14294A #22437A #2F5DAA #497BCD #799EDA

Accessibility & contrast

On white

6.43

#2F5DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2F5DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5DAA

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5DAA	#FFFFFF	#000000	##FFFFFF
##2F5DAA	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3665AD

Deuteranopia (green-blind)

#1E59A8

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5daa;
/* rgb */ color: rgb(47, 93, 170);
/* oklch */ color: oklch(48.7% 0.133 260.1);

Tailwind

colors: {
  custom: {
    50: '#778ac4',
    500: '#2f5daa',
    950: '#000000',
  },
}

SCSS

$custom: #2f5daa;
$custom-light: #778ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5daa",
  "rgb": {
    "r": 47,
    "g": 93,
    "b": 170
  },
  "hsl": {
    "h": 217.561,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48745,
    "c": 0.13347,
    "h": 260.1
  },
  "luminance": 0.11335
}

Semantic roles & 50–950 ramp

primary

#2F5DAA

secondary

#C2A472

accent

#A748E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5DAA

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

Preview Lab → · Contrast checker → · Palette generator →