#2F45A9#2F45A9

#2F45A9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.162 H 269.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A9
RGB	rgb(47, 69, 169)
HSL	hsl(229, 56%, 42%)
HSV	hsv(229, 72%, 66%)
CMYK	cmyk(72.2%, 59.2%, 0%, 33.7%)
CIE-LAB	lab(33.40, 26.67, -56.21)
CIE-LCH	lch(33.40, 62.22, 295.38°)
OKLab	oklab(43.61% -0.0025 -0.1621)
OKLCH	oklch(43.61% 0.162 269.1)
XYZ	xyz(10.4594, 7.7241, 38.4681)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A9 #A9932F

analogous

#2F82A9 #2F45A9 #562FA9

triadic

#2F45A9 #A92F45 #45A92F

tetradic

#2F45A9 #A92F82 #A9932F #2FA956

square

#2F45A9 #A92F82 #A9932F #2FA956

split-complementary

#2F45A9 #A9562F #82A92F

monochromatic

#141E49 #223179 #2F45A9 #4961CC #798ADA

Accessibility & contrast

On white

8.25

#2F45A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2F45A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A9

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A9	#FFFFFF	#000000	##FFFFFF
##2F45A9	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AC

Deuteranopia (green-blind)

#0049A7

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f45a9;
/* rgb */ color: rgb(47, 69, 169);
/* oklch */ color: oklch(43.6% 0.162 269.1);

Tailwind

colors: {
  custom: {
    50: '#7878c3',
    500: '#2f45a9',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a9;
$custom-light: #7878c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a9",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 169
  },
  "hsl": {
    "h": 229.18,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43609,
    "c": 0.16215,
    "h": 269.1
  },
  "luminance": 0.07725
}

Semantic roles & 50–950 ramp

primary

#2F45A9

secondary

#C2B372

accent

#C448E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F45A9

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

Preview Lab → · Contrast checker → · Palette generator →