#2F45AA#2F45AA

#2F45AA is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.164 H 269.1°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F45AA
RGB	rgb(47, 69, 170)
HSL	hsl(229, 57%, 43%)
HSV	hsv(229, 72%, 67%)
CMYK	cmyk(72.4%, 59.4%, 0%, 33.3%)
CIE-LAB	lab(33.48, 27.04, -56.68)
CIE-LCH	lch(33.48, 62.80, 295.50°)
OKLab	oklab(43.69% -0.0025 -0.1635)
OKLCH	oklch(43.69% 0.164 269.1)
XYZ	xyz(10.5536, 7.7618, 38.9644)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45AA #AA942F

analogous

#2F83AA #2F45AA #562FAA

triadic

#2F45AA #AA2F45 #45AA2F

tetradic

#2F45AA #AA2F83 #AA942F #2FAA56

square

#2F45AA #AA2F83 #AA942F #2FAA56

split-complementary

#2F45AA #AA562F #83AA2F

monochromatic

#141E4A #22327A #2F45AA #4961CD #798BDA

Accessibility & contrast

On white

8.23

#2F45AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2F45AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45AA

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45AA	#FFFFFF	#000000	##FFFFFF
##2F45AA	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f45aa;
/* rgb */ color: rgb(47, 69, 170);
/* oklch */ color: oklch(43.7% 0.164 269.1);

Tailwind

colors: {
  custom: {
    50: '#7978c4',
    500: '#2f45aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f45aa;
$custom-light: #7978c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45aa",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 170
  },
  "hsl": {
    "h": 229.268,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43694,
    "c": 0.16352,
    "h": 269.1
  },
  "luminance": 0.07763
}

Semantic roles & 50–950 ramp

primary

#2F45AA

secondary

#C2B472

accent

#C548E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F45AA

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

Preview Lab → · Contrast checker → · Palette generator →