#2F45B2#2F45B2

#2F45B2 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.174 H 269.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F45B2
RGB	rgb(47, 69, 178)
HSL	hsl(230, 58%, 44%)
HSV	hsv(230, 74%, 70%)
CMYK	cmyk(73.6%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(34.14, 30.00, -60.38)
CIE-LCH	lch(34.14, 67.42, 296.42°)
OKLab	oklab(44.38% -0.0025 -0.1743)
OKLCH	oklch(44.38% 0.174 269.2)
XYZ	xyz(11.3335, 8.0737, 43.0719)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45B2 #B29C2F

analogous

#2F87B2 #2F45B2 #5B2FB2

triadic

#2F45B2 #B22F45 #45B22F

tetradic

#2F45B2 #B22F87 #B29C2F #2FB25B

square

#2F45B2 #B22F87 #B29C2F #2FB25B

split-complementary

#2F45B2 #B25B2F #87B22F

monochromatic

#151F51 #223282 #2F45B2 #4E64D0 #7E8EDD

Accessibility & contrast

On white

8.03

#2F45B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2F45B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45B2

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45B2	#FFFFFF	#000000	##FFFFFF
##2F45B2	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B6

Deuteranopia (green-blind)

#004AB0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f45b2;
/* rgb */ color: rgb(47, 69, 178);
/* oklch */ color: oklch(44.4% 0.174 269.2);

Tailwind

colors: {
  custom: {
    50: '#7a78ca',
    500: '#2f45b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f45b2;
$custom-light: #7a78ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45b2",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 229.924,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44384,
    "c": 0.17437,
    "h": 269.2
  },
  "luminance": 0.08075
}

Semantic roles & 50–950 ramp

primary

#2F45B2

secondary

#C6B977

accent

#C746E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F45B2

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

Preview Lab → · Contrast checker → · Palette generator →