#2F45A7#2F45A7

#2F45A7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.159 H 269.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A7
RGB	rgb(47, 69, 167)
HSL	hsl(229, 56%, 42%)
HSV	hsv(229, 72%, 65%)
CMYK	cmyk(71.9%, 58.7%, 0%, 34.5%)
CIE-LAB	lab(33.24, 25.92, -55.27)
CIE-LCH	lch(33.24, 61.05, 295.12°)
OKLab	oklab(43.44% -0.0026 -0.1594)
OKLCH	oklch(43.44% 0.159 269.1)
XYZ	xyz(10.2731, 7.6496, 37.4868)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A7 #A7912F

analogous

#2F81A7 #2F45A7 #552FA7

triadic

#2F45A7 #A72F45 #45A72F

tetradic

#2F45A7 #A72F81 #A7912F #2FA755

square

#2F45A7 #A72F81 #A7912F #2FA755

split-complementary

#2F45A7 #A7552F #81A72F

monochromatic

#141E47 #223177 #2F45A7 #4860CB #7889D9

Accessibility & contrast

On white

8.30

#2F45A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2F45A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A7

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A7	#FFFFFF	#000000	##FFFFFF
##2F45A7	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#0049A5

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f45a7;
/* rgb */ color: rgb(47, 69, 167);
/* oklch */ color: oklch(43.4% 0.159 269.1);

Tailwind

colors: {
  custom: {
    50: '#7878c2',
    500: '#2f45a7',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a7;
$custom-light: #7878c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a7",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 167
  },
  "hsl": {
    "h": 229,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4344,
    "c": 0.1594,
    "h": 269.1
  },
  "luminance": 0.07651
}

Semantic roles & 50–950 ramp

primary

#2F45A7

secondary

#C1B271

accent

#C448DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F45A7

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

Preview Lab → · Contrast checker → · Palette generator →