#2F45B0#2F45B0

#2F45B0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.172 H 269.2°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F45B0
RGB	rgb(47, 69, 176)
HSL	hsl(230, 58%, 44%)
HSV	hsv(230, 73%, 69%)
CMYK	cmyk(73.3%, 60.8%, 0%, 31%)
CIE-LAB	lab(33.97, 29.26, -59.46)
CIE-LCH	lch(33.97, 66.27, 296.20°)
OKLab	oklab(44.21% -0.0025 -0.1717)
OKLCH	oklch(44.21% 0.172 269.2)
XYZ	xyz(11.1342, 7.9940, 42.0221)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45B0 #B09A2F

analogous

#2F85B0 #2F45B0 #592FB0

triadic

#2F45B0 #B02F45 #45B02F

tetradic

#2F45B0 #B02F85 #B09A2F #2FB059

square

#2F45B0 #B02F85 #B09A2F #2FB059

split-complementary

#2F45B0 #B0592F #85B02F

monochromatic

#151F4F #223280 #2F45B0 #4D63CF #7D8DDC

Accessibility & contrast

On white

8.08

#2F45B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2F45B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45B0

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45B0	#FFFFFF	#000000	##FFFFFF
##2F45B0	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B4

Deuteranopia (green-blind)

#004AAE

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f45b0;
/* rgb */ color: rgb(47, 69, 176);
/* oklch */ color: oklch(44.2% 0.172 269.2);

Tailwind

colors: {
  custom: {
    50: '#7a78c8',
    500: '#2f45b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f45b0;
$custom-light: #7a78c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45b0",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 176
  },
  "hsl": {
    "h": 229.767,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4421,
    "c": 0.17168,
    "h": 269.2
  },
  "luminance": 0.07995
}

Semantic roles & 50–950 ramp

primary

#2F45B0

secondary

#C5B776

accent

#C747E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F45B0

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

Preview Lab → · Contrast checker → · Palette generator →