#2F45B4#2F45B4

#2F45B4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.177 H 269.2°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#2F45B4
RGB	rgb(47, 69, 180)
HSL	hsl(230, 59%, 45%)
HSV	hsv(230, 74%, 71%)
CMYK	cmyk(73.9%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(34.30, 30.73, -61.29)
CIE-LCH	lch(34.30, 68.56, 296.63°)
OKLab	oklab(44.56% -0.0025 -0.177)
OKLCH	oklch(44.56% 0.177 269.2)
XYZ	xyz(11.5358, 8.1547, 44.1372)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45B4 #B49E2F

analogous

#2F88B4 #2F45B4 #5C2FB4

triadic

#2F45B4 #B42F45 #45B42F

tetradic

#2F45B4 #B42F88 #B49E2F #2FB45C

square

#2F45B4 #B42F88 #B49E2F #2FB45C

split-complementary

#2F45B4 #B45C2F #88B42F

monochromatic

#162053 #223283 #2F45B4 #4F65D1 #808FDE

Accessibility & contrast

On white

7.98

#2F45B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2F45B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45B4

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45B4	#FFFFFF	#000000	##FFFFFF
##2F45B4	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006176

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f45b4;
/* rgb */ color: rgb(47, 69, 180);
/* oklch */ color: oklch(44.6% 0.177 269.2);

Tailwind

colors: {
  custom: {
    50: '#7b78cb',
    500: '#2f45b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f45b4;
$custom-light: #7b78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45b4",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 230.075,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4456,
    "c": 0.17705,
    "h": 269.2
  },
  "luminance": 0.08156
}

Semantic roles & 50–950 ramp

primary

#2F45B4

secondary

#C7BA78

accent

#C846E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F45B4

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

Preview Lab → · Contrast checker → · Palette generator →