#2F45A6#2F45A6

#2F45A6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.158 H 269.1°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A6
RGB	rgb(47, 69, 166)
HSL	hsl(229, 56%, 42%)
HSV	hsv(229, 72%, 65%)
CMYK	cmyk(71.7%, 58.4%, 0%, 34.9%)
CIE-LAB	lab(33.16, 25.55, -54.80)
CIE-LCH	lch(33.16, 60.47, 294.99°)
OKLab	oklab(43.36% -0.0026 -0.158)
OKLCH	oklch(43.36% 0.158 269.1)
XYZ	xyz(10.1810, 7.6127, 37.0019)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A6 #A6902F

analogous

#2F81A6 #2F45A6 #552FA6

triadic

#2F45A6 #A62F45 #45A62F

tetradic

#2F45A6 #A62F81 #A6902F #2FA655

square

#2F45A6 #A62F81 #A6902F #2FA655

split-complementary

#2F45A6 #A6552F #81A62F

monochromatic

#141D47 #213176 #2F45A6 #4760CB #7789D8

Accessibility & contrast

On white

8.32

#2F45A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2F45A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A6

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A6	#FFFFFF	#000000	##FFFFFF
##2F45A6	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A9

Deuteranopia (green-blind)

#0049A4

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f45a6;
/* rgb */ color: rgb(47, 69, 166);
/* oklch */ color: oklch(43.4% 0.158 269.1);

Tailwind

colors: {
  custom: {
    50: '#7878c1',
    500: '#2f45a6',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a6;
$custom-light: #7878c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a6",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 166
  },
  "hsl": {
    "h": 228.908,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43357,
    "c": 0.15801,
    "h": 269.1
  },
  "luminance": 0.07614
}

Semantic roles & 50–950 ramp

primary

#2F45A6

secondary

#C1B270

accent

#C349DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F45A6

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

Preview Lab → · Contrast checker → · Palette generator →